57081160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 75110840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 101, 142, 199, 202, 284, 355, 398, 404, 505, 568, 710, 796, 808, 995, 1010, 1420, 1592, 1990, 2020, 2840, 3980, 4040, 7171, 7960, 14129, 14342, 20099, 28258, 28684, 35855, 40198, 56516, 57368, 70645, 71710, 80396, 100495, 113032, 141290, 143420, 160792, 200990, 282580, 286840, 401980, 565160, 803960, 1427029, 2854058, 5708116, 7135145, 11416232, 14270290, 28540580, 57081160]

約数ペア:

[(1, 57081160), (2, 28540580), (4, 14270290), (5, 11416232), (8, 7135145), (10, 5708116), (20, 2854058), (40, 1427029), (71, 803960), (101, 565160), (142, 401980), (199, 286840), (202, 282580), (284, 200990), (355, 160792), (398, 143420), (404, 141290), (505, 113032), (568, 100495), (710, 80396), (796, 71710), (808, 70645), (995, 57368), (1010, 56516), (1420, 40198), (1592, 35855), (1990, 28684), (2020, 28258), (2840, 20099), (3980, 14342), (4040, 14129), (7171, 7960)]