80905360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 199362240

約数和(自身を除く): 118456880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 344, 430, 464, 580, 688, 811, 860, 1160, 1247, 1622, 1720, 2320, 2494, 3244, 3440, 4055, 4988, 6235, 6488, 8110, 9976, 12470, 12976, 16220, 19952, 23519, 24940, 32440, 34873, 47038, 49880, 64880, 69746, 94076, 99760, 117595, 139492, 174365, 188152, 235190, 278984, 348730, 376304, 470380, 557968, 697460, 940760, 1011317, 1394920, 1881520, 2022634, 2789840, 4045268, 5056585, 8090536, 10113170, 16181072, 20226340, 40452680, 80905360]

約数ペア:

[(1, 80905360), (2, 40452680), (4, 20226340), (5, 16181072), (8, 10113170), (10, 8090536), (16, 5056585), (20, 4045268), (29, 2789840), (40, 2022634), (43, 1881520), (58, 1394920), (80, 1011317), (86, 940760), (116, 697460), (145, 557968), (172, 470380), (215, 376304), (232, 348730), (290, 278984), (344, 235190), (430, 188152), (464, 174365), (580, 139492), (688, 117595), (811, 99760), (860, 94076), (1160, 69746), (1247, 64880), (1622, 49880), (1720, 47038), (2320, 34873), (2494, 32440), (3244, 24940), (3440, 23519), (4055, 19952), (4988, 16220), (6235, 12976), (6488, 12470), (8110, 9976)]