72859640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{260213}}^1$

素因数の和:260231

約数の個数: 32

約数和(自身を含む): 187354080

約数和(自身を除く): 114494440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 260213, 520426, 1040852, 1301065, 1821491, 2081704, 2602130, 3642982, 5204260, 7285964, 9107455, 10408520, 14571928, 18214910, 36429820, 72859640]

約数ペア:

[(1, 72859640), (2, 36429820), (4, 18214910), (5, 14571928), (7, 10408520), (8, 9107455), (10, 7285964), (14, 5204260), (20, 3642982), (28, 2602130), (35, 2081704), (40, 1821491), (56, 1301065), (70, 1040852), (140, 520426), (280, 260213)]