128091080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246329}}^1$

素因数の和:246353

約数の個数: 32

約数和(自身を含む): 310375800

約数和(自身を除く): 182284720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 246329, 492658, 985316, 1231645, 1970632, 2463290, 3202277, 4926580, 6404554, 9853160, 12809108, 16011385, 25618216, 32022770, 64045540, 128091080]

約数ペア:

[(1, 128091080), (2, 64045540), (4, 32022770), (5, 25618216), (8, 16011385), (10, 12809108), (13, 9853160), (20, 6404554), (26, 4926580), (40, 3202277), (52, 2463290), (65, 1970632), (104, 1231645), (130, 985316), (260, 492658), (520, 246329)]