166335940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{63487}}^1$

素因数の和:63627

約数の個数: 24

約数和(自身を含む): 351977472

約数和(自身を除く): 185641532

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 63487, 126974, 253948, 317435, 634870, 1269740, 8316797, 16633594, 33267188, 41583985, 83167970, 166335940]

約数ペア:

[(1, 166335940), (2, 83167970), (4, 41583985), (5, 33267188), (10, 16633594), (20, 8316797), (131, 1269740), (262, 634870), (524, 317435), (655, 253948), (1310, 126974), (2620, 63487)]