89637500

素因数分解:

$2^2\times 5^5\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 200799648

約数和(自身を除く): 111162148

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 101, 125, 142, 202, 250, 284, 355, 404, 500, 505, 625, 710, 1010, 1250, 1420, 1775, 2020, 2500, 2525, 3125, 3550, 5050, 6250, 7100, 7171, 8875, 10100, 12500, 12625, 14342, 17750, 25250, 28684, 35500, 35855, 44375, 50500, 63125, 71710, 88750, 126250, 143420, 177500, 179275, 221875, 252500, 315625, 358550, 443750, 631250, 717100, 887500, 896375, 1262500, 1792750, 3585500, 4481875, 8963750, 17927500, 22409375, 44818750, 89637500]

約数ペア:

[(1, 89637500), (2, 44818750), (4, 22409375), (5, 17927500), (10, 8963750), (20, 4481875), (25, 3585500), (50, 1792750), (71, 1262500), (100, 896375), (101, 887500), (125, 717100), (142, 631250), (202, 443750), (250, 358550), (284, 315625), (355, 252500), (404, 221875), (500, 179275), (505, 177500), (625, 143420), (710, 126250), (1010, 88750), (1250, 71710), (1420, 63125), (1775, 50500), (2020, 44375), (2500, 35855), (2525, 35500), (3125, 28684), (3550, 25250), (5050, 17750), (6250, 14342), (7100, 12625), (7171, 12500), (8875, 10100)]