130389620

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{23201}}^1$

素因数の和:23491

約数の個数: 24

約数和(自身を含む): 274804488

約数和(自身を除く): 144414868

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 23201, 46402, 92804, 116005, 232010, 464020, 6519481, 13038962, 26077924, 32597405, 65194810, 130389620]

約数ペア:

[(1, 130389620), (2, 65194810), (4, 32597405), (5, 26077924), (10, 13038962), (20, 6519481), (281, 464020), (562, 232010), (1124, 116005), (1405, 92804), (2810, 46402), (5620, 23201)]