72310120

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17551}}^1$

素因数の和:17665

約数の個数: 32

約数和(自身を含む): 164286720

約数和(自身を除く): 91976600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 17551, 35102, 70204, 87755, 140408, 175510, 351020, 702040, 1807753, 3615506, 7231012, 9038765, 14462024, 18077530, 36155060, 72310120]

約数ペア:

[(1, 72310120), (2, 36155060), (4, 18077530), (5, 14462024), (8, 9038765), (10, 7231012), (20, 3615506), (40, 1807753), (103, 702040), (206, 351020), (412, 175510), (515, 140408), (824, 87755), (1030, 70204), (2060, 35102), (4120, 17551)]