156626980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{99131}}^1$

素因数の和:99219

約数の個数: 24

約数和(自身を含む): 333083520

約数和(自身を除く): 176456540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 99131, 198262, 396524, 495655, 991310, 1982620, 7831349, 15662698, 31325396, 39156745, 78313490, 156626980]

約数ペア:

[(1, 156626980), (2, 78313490), (4, 39156745), (5, 31325396), (10, 15662698), (20, 7831349), (79, 1982620), (158, 991310), (316, 495655), (395, 396524), (790, 198262), (1580, 99131)]