313328560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{95527}}^1$

素因数の和:95581

約数の個数: 40

約数和(自身を含む): 746264736

約数和(自身を除く): 432936176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 95527, 191054, 382108, 477635, 764216, 955270, 1528432, 1910540, 3821080, 3916607, 7642160, 7833214, 15666428, 19583035, 31332856, 39166070, 62665712, 78332140, 156664280, 313328560]

約数ペア:

[(1, 313328560), (2, 156664280), (4, 78332140), (5, 62665712), (8, 39166070), (10, 31332856), (16, 19583035), (20, 15666428), (40, 7833214), (41, 7642160), (80, 3916607), (82, 3821080), (164, 1910540), (205, 1528432), (328, 955270), (410, 764216), (656, 477635), (820, 382108), (1640, 191054), (3280, 95527)]