5271640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11981}}^1$

素因数の和:12003

約数の個数: 32

約数和(自身を含む): 12940560

約数和(自身を除く): 7668920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 11981, 23962, 47924, 59905, 95848, 119810, 131791, 239620, 263582, 479240, 527164, 658955, 1054328, 1317910, 2635820, 5271640]

約数ペア:

[(1, 5271640), (2, 2635820), (4, 1317910), (5, 1054328), (8, 658955), (10, 527164), (11, 479240), (20, 263582), (22, 239620), (40, 131791), (44, 119810), (55, 95848), (88, 59905), (110, 47924), (220, 23962), (440, 11981)]