8127080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15629}}^1$

素因数の和:15653

約数の個数: 32

約数和(自身を含む): 19693800

約数和(自身を除く): 11566720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15629, 31258, 62516, 78145, 125032, 156290, 203177, 312580, 406354, 625160, 812708, 1015885, 1625416, 2031770, 4063540, 8127080]

約数ペア:

[(1, 8127080), (2, 4063540), (4, 2031770), (5, 1625416), (8, 1015885), (10, 812708), (13, 625160), (20, 406354), (26, 312580), (40, 203177), (52, 156290), (65, 125032), (104, 78145), (130, 62516), (260, 31258), (520, 15629)]