20231888409640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{25463}}^1\times {\mathrm{4889}}^1$

素因数の和:30619

約数の個数: 128

約数和(自身を含む): 48412971648000

約数和(自身を除く): 28181083238360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 239, 340, 478, 680, 956, 1195, 1912, 2390, 4063, 4780, 4889, 8126, 9560, 9778, 16252, 19556, 20315, 24445, 25463, 32504, 39112, 40630, 48890, 50926, 81260, 83113, 97780, 101852, 127315, 162520, 166226, 195560, 203704, 254630, 332452, 415565, 432871, 509260, 664904, 831130, 865742, 1018520, 1168471, 1662260, 1731484, 2164355, 2336942, 3324520, 3462968, 4328710, 4673884, 5842355, 6085657, 8657420, 9347768, 11684710, 12171314, 17314840, 19864007, 23369420, 24342628, 30428285, 39728014, 46738840, 48685256, 60856570, 79456028, 99320035, 103456169, 121713140, 124488607, 158912056, 198640070, 206912338, 243426280, 248977214, 397280140, 413824676, 497954428, 517280845, 622443035, 794560280, 827649352, 995908856, 1034561690, 1244886070, 2069123380, 2116306319, 2489772140, 4138246760, 4232612638, 4979544280, 8465225276, 10581531595, 16930450552, 21163063190, 29752777073, 42326126380, 59505554146, 84652252760, 119011108292, 148763885365, 238022216584, 297527770730, 505797210241, 595055541460, 1011594420482, 1190111082920, 2023188840964, 2528986051205, 4046377681928, 5057972102410, 10115944204820, 20231888409640]

約数ペア:

[(1, 20231888409640), (2, 10115944204820), (4, 5057972102410), (5, 4046377681928), (8, 2528986051205), (10, 2023188840964), (17, 1190111082920), (20, 1011594420482), (34, 595055541460), (40, 505797210241), (68, 297527770730), (85, 238022216584), (136, 148763885365), (170, 119011108292), (239, 84652252760), (340, 59505554146), (478, 42326126380), (680, 29752777073), (956, 21163063190), (1195, 16930450552), (1912, 10581531595), (2390, 8465225276), (4063, 4979544280), (4780, 4232612638), (4889, 4138246760), (8126, 2489772140), (9560, 2116306319), (9778, 2069123380), (16252, 1244886070), (19556, 1034561690), (20315, 995908856), (24445, 827649352), (25463, 794560280), (32504, 622443035), (39112, 517280845), (40630, 497954428), (48890, 413824676), (50926, 397280140), (81260, 248977214), (83113, 243426280), (97780, 206912338), (101852, 198640070), (127315, 158912056), (162520, 124488607), (166226, 121713140), (195560, 103456169), (203704, 99320035), (254630, 79456028), (332452, 60856570), (415565, 48685256), (432871, 46738840), (509260, 39728014), (664904, 30428285), (831130, 24342628), (865742, 23369420), (1018520, 19864007), (1168471, 17314840), (1662260, 12171314), (1731484, 11684710), (2164355, 9347768), (2336942, 8657420), (3324520, 6085657), (3462968, 5842355), (4328710, 4673884)]