156913505180

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{20168831}}^1$

素因数の和:20169229

約数の個数: 24

約数和(自身を含む): 330365468160

約数和(自身を除く): 173451962980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 20168831, 40337662, 80675324, 100844155, 201688310, 403376620, 7845675259, 15691350518, 31382701036, 39228376295, 78456752590, 156913505180]

約数ペア:

[(1, 156913505180), (2, 78456752590), (4, 39228376295), (5, 31382701036), (10, 15691350518), (20, 7845675259), (389, 403376620), (778, 201688310), (1556, 100844155), (1945, 80675324), (3890, 40337662), (7780, 20168831)]