157078405420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191559031}}^1$

素因数の和:191559081

約数の個数: 24

約数和(自身を含む): 337910132448

約数和(自身を除く): 180831727028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 191559031, 383118062, 766236124, 957795155, 1915590310, 3831180620, 7853920271, 15707840542, 31415681084, 39269601355, 78539202710, 157078405420]

約数ペア:

[(1, 157078405420), (2, 78539202710), (4, 39269601355), (5, 31415681084), (10, 15707840542), (20, 7853920271), (41, 3831180620), (82, 1915590310), (164, 957795155), (205, 766236124), (410, 383118062), (820, 191559031)]