40100800

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 84

約数和(自身を含む): 100346256

約数和(自身を除く): 60245456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 142, 160, 200, 284, 320, 353, 355, 400, 568, 706, 710, 800, 1136, 1412, 1420, 1600, 1765, 1775, 2272, 2824, 2840, 3530, 3550, 4544, 5648, 5680, 7060, 7100, 8825, 11296, 11360, 14120, 14200, 17650, 22592, 22720, 25063, 28240, 28400, 35300, 50126, 56480, 56800, 70600, 100252, 112960, 113600, 125315, 141200, 200504, 250630, 282400, 401008, 501260, 564800, 626575, 802016, 1002520, 1253150, 1604032, 2005040, 2506300, 4010080, 5012600, 8020160, 10025200, 20050400, 40100800]

約数ペア:

[(1, 40100800), (2, 20050400), (4, 10025200), (5, 8020160), (8, 5012600), (10, 4010080), (16, 2506300), (20, 2005040), (25, 1604032), (32, 1253150), (40, 1002520), (50, 802016), (64, 626575), (71, 564800), (80, 501260), (100, 401008), (142, 282400), (160, 250630), (200, 200504), (284, 141200), (320, 125315), (353, 113600), (355, 112960), (400, 100252), (568, 70600), (706, 56800), (710, 56480), (800, 50126), (1136, 35300), (1412, 28400), (1420, 28240), (1600, 25063), (1765, 22720), (1775, 22592), (2272, 17650), (2824, 14200), (2840, 14120), (3530, 11360), (3550, 11296), (4544, 8825), (5648, 7100), (5680, 7060)]