51343520

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1439}}^1$

素因数の和:1677

約数の個数: 48

約数和(自身を含む): 121927680

約数和(自身を除く): 70584160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1439, 1784, 2230, 2878, 3568, 4460, 5756, 7136, 7195, 8920, 11512, 14390, 17840, 23024, 28780, 35680, 46048, 57560, 115120, 230240, 320897, 641794, 1283588, 1604485, 2567176, 3208970, 5134352, 6417940, 10268704, 12835880, 25671760, 51343520]

約数ペア:

[(1, 51343520), (2, 25671760), (4, 12835880), (5, 10268704), (8, 6417940), (10, 5134352), (16, 3208970), (20, 2567176), (32, 1604485), (40, 1283588), (80, 641794), (160, 320897), (223, 230240), (446, 115120), (892, 57560), (1115, 46048), (1439, 35680), (1784, 28780), (2230, 23024), (2878, 17840), (3568, 14390), (4460, 11512), (5756, 8920), (7136, 7195)]