64329820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4129}}^1$

素因数の和:4198

約数の個数: 48

約数和(自身を含む): 145706400

約数和(自身を除く): 81376580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4129, 7790, 8258, 15580, 16516, 20645, 41290, 78451, 82580, 156902, 169289, 313804, 338578, 392255, 677156, 784510, 846445, 1569020, 1692890, 3216491, 3385780, 6432982, 12865964, 16082455, 32164910, 64329820]

約数ペア:

[(1, 64329820), (2, 32164910), (4, 16082455), (5, 12865964), (10, 6432982), (19, 3385780), (20, 3216491), (38, 1692890), (41, 1569020), (76, 846445), (82, 784510), (95, 677156), (164, 392255), (190, 338578), (205, 313804), (380, 169289), (410, 156902), (779, 82580), (820, 78451), (1558, 41290), (3116, 20645), (3895, 16516), (4129, 15580), (7790, 8258)]