15593020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 18275780

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 139, 142, 158, 278, 284, 316, 355, 395, 556, 695, 710, 790, 1390, 1420, 1580, 2780, 5609, 9869, 10981, 11218, 19738, 21962, 22436, 28045, 39476, 43924, 49345, 54905, 56090, 98690, 109810, 112180, 197380, 219620, 779651, 1559302, 3118604, 3898255, 7796510, 15593020]

約数ペア:

[(1, 15593020), (2, 7796510), (4, 3898255), (5, 3118604), (10, 1559302), (20, 779651), (71, 219620), (79, 197380), (139, 112180), (142, 109810), (158, 98690), (278, 56090), (284, 54905), (316, 49345), (355, 43924), (395, 39476), (556, 28045), (695, 22436), (710, 21962), (790, 19738), (1390, 11218), (1420, 10981), (1580, 9869), (2780, 5609)]