86419940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139387}}^1$

素因数の和:139427

約数の個数: 24

約数和(自身を含む): 187337472

約数和(自身を除く): 100917532

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 139387, 278774, 557548, 696935, 1393870, 2787740, 4320997, 8641994, 17283988, 21604985, 43209970, 86419940]

約数ペア:

[(1, 86419940), (2, 43209970), (4, 21604985), (5, 17283988), (10, 8641994), (20, 4320997), (31, 2787740), (62, 1393870), (124, 696935), (155, 557548), (310, 278774), (620, 139387)]