72610520

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3259}}^1$

素因数の和:3827

約数の個数: 32

約数和(自身を含む): 163717200

約数和(自身を除く): 91106680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 3259, 4456, 5570, 6518, 11140, 13036, 16295, 22280, 26072, 32590, 65180, 130360, 1815263, 3630526, 7261052, 9076315, 14522104, 18152630, 36305260, 72610520]

約数ペア:

[(1, 72610520), (2, 36305260), (4, 18152630), (5, 14522104), (8, 9076315), (10, 7261052), (20, 3630526), (40, 1815263), (557, 130360), (1114, 65180), (2228, 32590), (2785, 26072), (3259, 22280), (4456, 16295), (5570, 13036), (6518, 11140)]