4727991640

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{226871}}^1$

素因数の和:227403

約数の個数: 32

約数和(自身を含む): 10658446560

約数和(自身を除く): 5930454920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 20840, 226871, 453742, 907484, 1134355, 1814968, 2268710, 4537420, 9074840, 118199791, 236399582, 472799164, 590998955, 945598328, 1181997910, 2363995820, 4727991640]

約数ペア:

[(1, 4727991640), (2, 2363995820), (4, 1181997910), (5, 945598328), (8, 590998955), (10, 472799164), (20, 236399582), (40, 118199791), (521, 9074840), (1042, 4537420), (2084, 2268710), (2605, 1814968), (4168, 1134355), (5210, 907484), (10420, 453742), (20840, 226871)]