25390420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 58677696

約数和(自身を除く): 33287276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 881, 1310, 1441, 1762, 2620, 2882, 3524, 4405, 5764, 7205, 8810, 9691, 14410, 17620, 19382, 28820, 38764, 48455, 96910, 115411, 193820, 230822, 461644, 577055, 1154110, 1269521, 2308220, 2539042, 5078084, 6347605, 12695210, 25390420]

約数ペア:

[(1, 25390420), (2, 12695210), (4, 6347605), (5, 5078084), (10, 2539042), (11, 2308220), (20, 1269521), (22, 1154110), (44, 577055), (55, 461644), (110, 230822), (131, 193820), (220, 115411), (262, 96910), (524, 48455), (655, 38764), (881, 28820), (1310, 19382), (1441, 17620), (1762, 14410), (2620, 9691), (2882, 8810), (3524, 7205), (4405, 5764)]