30918620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11801}}^1$

素因数の和:11941

約数の個数: 24

約数和(自身を含む): 65430288

約数和(自身を除く): 34511668

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 11801, 23602, 47204, 59005, 118010, 236020, 1545931, 3091862, 6183724, 7729655, 15459310, 30918620]

約数ペア:

[(1, 30918620), (2, 15459310), (4, 7729655), (5, 6183724), (10, 3091862), (20, 1545931), (131, 236020), (262, 118010), (524, 59005), (655, 47204), (1310, 23602), (2620, 11801)]