68605240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155921}}^1$

素因数の和:155943

約数の個数: 32

約数和(自身を含む): 168395760

約数和(自身を除く): 99790520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155921, 311842, 623684, 779605, 1247368, 1559210, 1715131, 3118420, 3430262, 6236840, 6860524, 8575655, 13721048, 17151310, 34302620, 68605240]

約数ペア:

[(1, 68605240), (2, 34302620), (4, 17151310), (5, 13721048), (8, 8575655), (10, 6860524), (11, 6236840), (20, 3430262), (22, 3118420), (40, 1715131), (44, 1559210), (55, 1247368), (88, 779605), (110, 623684), (220, 311842), (440, 155921)]