69146920

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2531}}^1$

素因数の和:3225

約数の個数: 32

約数和(自身を含む): 155869920

約数和(自身を除く): 86723000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2531, 2732, 3415, 5062, 5464, 6830, 10124, 12655, 13660, 20248, 25310, 27320, 50620, 101240, 1728673, 3457346, 6914692, 8643365, 13829384, 17286730, 34573460, 69146920]

約数ペア:

[(1, 69146920), (2, 34573460), (4, 17286730), (5, 13829384), (8, 8643365), (10, 6914692), (20, 3457346), (40, 1728673), (683, 101240), (1366, 50620), (2531, 27320), (2732, 25310), (3415, 20248), (5062, 13660), (5464, 12655), (6830, 10124)]