31703120

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2851}}^1$

素因数の和:3003

約数の個数: 40

約数和(自身を含む): 74266080

約数和(自身を除く): 42562960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 2851, 5560, 5702, 11120, 11404, 14255, 22808, 28510, 45616, 57020, 114040, 228080, 396289, 792578, 1585156, 1981445, 3170312, 3962890, 6340624, 7925780, 15851560, 31703120]

約数ペア:

[(1, 31703120), (2, 15851560), (4, 7925780), (5, 6340624), (8, 3962890), (10, 3170312), (16, 1981445), (20, 1585156), (40, 792578), (80, 396289), (139, 228080), (278, 114040), (556, 57020), (695, 45616), (1112, 28510), (1390, 22808), (2224, 14255), (2780, 11404), (2851, 11120), (5560, 5702)]