85978040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 131749960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 47, 58, 76, 83, 94, 95, 116, 145, 152, 166, 188, 190, 232, 235, 290, 332, 376, 380, 415, 470, 551, 580, 664, 760, 830, 893, 940, 1102, 1160, 1363, 1577, 1660, 1786, 1880, 2204, 2407, 2726, 2755, 3154, 3320, 3572, 3901, 4408, 4465, 4814, 5452, 5510, 6308, 6815, 7144, 7802, 7885, 8930, 9628, 10904, 11020, 12035, 12616, 13630, 15604, 15770, 17860, 19256, 19505, 22040, 24070, 25897, 27260, 31208, 31540, 35720, 39010, 45733, 48140, 51794, 54520, 63080, 74119, 78020, 91466, 96280, 103588, 113129, 129485, 148238, 156040, 182932, 207176, 226258, 228665, 258970, 296476, 365864, 370595, 452516, 457330, 517940, 565645, 592952, 741190, 905032, 914660, 1035880, 1131290, 1482380, 1829320, 2149451, 2262580, 2964760, 4298902, 4525160, 8597804, 10747255, 17195608, 21494510, 42989020, 85978040]

約数ペア:

[(1, 85978040), (2, 42989020), (4, 21494510), (5, 17195608), (8, 10747255), (10, 8597804), (19, 4525160), (20, 4298902), (29, 2964760), (38, 2262580), (40, 2149451), (47, 1829320), (58, 1482380), (76, 1131290), (83, 1035880), (94, 914660), (95, 905032), (116, 741190), (145, 592952), (152, 565645), (166, 517940), (188, 457330), (190, 452516), (232, 370595), (235, 365864), (290, 296476), (332, 258970), (376, 228665), (380, 226258), (415, 207176), (470, 182932), (551, 156040), (580, 148238), (664, 129485), (760, 113129), (830, 103588), (893, 96280), (940, 91466), (1102, 78020), (1160, 74119), (1363, 63080), (1577, 54520), (1660, 51794), (1786, 48140), (1880, 45733), (2204, 39010), (2407, 35720), (2726, 31540), (2755, 31208), (3154, 27260), (3320, 25897), (3572, 24070), (3901, 22040), (4408, 19505), (4465, 19256), (4814, 17860), (5452, 15770), (5510, 15604), (6308, 13630), (6815, 12616), (7144, 12035), (7802, 11020), (7885, 10904), (8930, 9628)]