156664280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{95527}}^1$

素因数の和:95579

約数の個数: 32

約数和(自身を含む): 361095840

約数和(自身を除く): 204431560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 95527, 191054, 382108, 477635, 764216, 955270, 1910540, 3821080, 3916607, 7833214, 15666428, 19583035, 31332856, 39166070, 78332140, 156664280]

約数ペア:

[(1, 156664280), (2, 78332140), (4, 39166070), (5, 31332856), (8, 19583035), (10, 15666428), (20, 7833214), (40, 3916607), (41, 3821080), (82, 1910540), (164, 955270), (205, 764216), (328, 477635), (410, 382108), (820, 191054), (1640, 95527)]