80862200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1399}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 199857000

約数和(自身を除く): 118994800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 289, 340, 425, 578, 680, 850, 1156, 1399, 1445, 1700, 2312, 2798, 2890, 3400, 5596, 5780, 6995, 7225, 11192, 11560, 13990, 14450, 23783, 27980, 28900, 34975, 47566, 55960, 57800, 69950, 95132, 118915, 139900, 190264, 237830, 279800, 404311, 475660, 594575, 808622, 951320, 1189150, 1617244, 2021555, 2378300, 3234488, 4043110, 4756600, 8086220, 10107775, 16172440, 20215550, 40431100, 80862200]

約数ペア:

[(1, 80862200), (2, 40431100), (4, 20215550), (5, 16172440), (8, 10107775), (10, 8086220), (17, 4756600), (20, 4043110), (25, 3234488), (34, 2378300), (40, 2021555), (50, 1617244), (68, 1189150), (85, 951320), (100, 808622), (136, 594575), (170, 475660), (200, 404311), (289, 279800), (340, 237830), (425, 190264), (578, 139900), (680, 118915), (850, 95132), (1156, 69950), (1399, 57800), (1445, 55960), (1700, 47566), (2312, 34975), (2798, 28900), (2890, 27980), (3400, 23783), (5596, 14450), (5780, 13990), (6995, 11560), (7225, 11192)]