61426420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{279211}}^1$

素因数の和:279231

約数の個数: 24

約数和(自身を含む): 140722848

約数和(自身を除く): 79296428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 279211, 558422, 1116844, 1396055, 2792110, 3071321, 5584220, 6142642, 12285284, 15356605, 30713210, 61426420]

約数ペア:

[(1, 61426420), (2, 30713210), (4, 15356605), (5, 12285284), (10, 6142642), (11, 5584220), (20, 3071321), (22, 2792110), (44, 1396055), (55, 1116844), (110, 558422), (220, 279211)]