4039900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:654

約数の個数: 36

約数和(自身を含む): 8905680

約数和(自身を除く): 4865780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 569, 710, 1138, 1420, 1775, 2276, 2845, 3550, 5690, 7100, 11380, 14225, 28450, 40399, 56900, 80798, 161596, 201995, 403990, 807980, 1009975, 2019950, 4039900]

約数ペア:

[(1, 4039900), (2, 2019950), (4, 1009975), (5, 807980), (10, 403990), (20, 201995), (25, 161596), (50, 80798), (71, 56900), (100, 40399), (142, 28450), (284, 14225), (355, 11380), (569, 7100), (710, 5690), (1138, 3550), (1420, 2845), (1775, 2276)]