61388140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25367}}^1$

素因数の和:25398

約数の個数: 36

約数和(自身を含む): 141705648

約数和(自身を除く): 80317508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 25367, 50734, 101468, 126835, 253670, 279037, 507340, 558074, 1116148, 1395185, 2790370, 3069407, 5580740, 6138814, 12277628, 15347035, 30694070, 61388140]

約数ペア:

[(1, 61388140), (2, 30694070), (4, 15347035), (5, 12277628), (10, 6138814), (11, 5580740), (20, 3069407), (22, 2790370), (44, 1395185), (55, 1116148), (110, 558074), (121, 507340), (220, 279037), (242, 253670), (484, 126835), (605, 101468), (1210, 50734), (2420, 25367)]