8007870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20533}}^1$

素因数の和:20556

約数の個数: 32

約数和(自身を含む): 20698272

約数和(自身を除く): 12690402

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20533, 41066, 61599, 102665, 123198, 205330, 266929, 307995, 533858, 615990, 800787, 1334645, 1601574, 2669290, 4003935, 8007870]

約数ペア:

[(1, 8007870), (2, 4003935), (3, 2669290), (5, 1601574), (6, 1334645), (10, 800787), (13, 615990), (15, 533858), (26, 307995), (30, 266929), (39, 205330), (65, 123198), (78, 102665), (130, 61599), (195, 41066), (390, 20533)]