1653220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 3503808

約数和(自身を除く): 1850588

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 631, 655, 1262, 1310, 2524, 2620, 3155, 6310, 12620, 82661, 165322, 330644, 413305, 826610, 1653220]

約数ペア:

[(1, 1653220), (2, 826610), (4, 413305), (5, 330644), (10, 165322), (20, 82661), (131, 12620), (262, 6310), (524, 3155), (631, 2620), (655, 2524), (1262, 1310)]