51101360

素因数分解:

$2^4\times 5^1\times {\mathrm{638767}}^1$

素因数の和:638780

約数の個数: 20

約数和(自身を含む): 118810848

約数和(自身を除く): 67709488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638767, 1277534, 2555068, 3193835, 5110136, 6387670, 10220272, 12775340, 25550680, 51101360]

約数ペア:

[(1, 51101360), (2, 25550680), (4, 12775340), (5, 10220272), (8, 6387670), (10, 5110136), (16, 3193835), (20, 2555068), (40, 1277534), (80, 638767)]