161267080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{310129}}^1$

素因数の和:310153

約数の個数: 32

約数和(自身を含む): 390763800

約数和(自身を除く): 229496720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 310129, 620258, 1240516, 1550645, 2481032, 3101290, 4031677, 6202580, 8063354, 12405160, 16126708, 20158385, 32253416, 40316770, 80633540, 161267080]

約数ペア:

[(1, 161267080), (2, 80633540), (4, 40316770), (5, 32253416), (8, 20158385), (10, 16126708), (13, 12405160), (20, 8063354), (26, 6202580), (40, 4031677), (52, 3101290), (65, 2481032), (104, 1550645), (130, 1240516), (260, 620258), (520, 310129)]