51031640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{115981}}^1$

素因数の和:116003

約数の個数: 32

約数和(自身を含む): 125260560

約数和(自身を除く): 74228920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 115981, 231962, 463924, 579905, 927848, 1159810, 1275791, 2319620, 2551582, 4639240, 5103164, 6378955, 10206328, 12757910, 25515820, 51031640]

約数ペア:

[(1, 51031640), (2, 25515820), (4, 12757910), (5, 10206328), (8, 6378955), (10, 5103164), (11, 4639240), (20, 2551582), (22, 2319620), (40, 1275791), (44, 1159810), (55, 927848), (88, 579905), (110, 463924), (220, 231962), (440, 115981)]