398724156920

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{26026381}}^1$

素因数の和:26026775

約数の個数: 32

約数和(自身を含む): 899471761920

約数和(自身を除く): 500747605000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 15320, 26026381, 52052762, 104105524, 130131905, 208211048, 260263810, 520527620, 1041055240, 9968103923, 19936207846, 39872415692, 49840519615, 79744831384, 99681039230, 199362078460, 398724156920]

約数ペア:

[(1, 398724156920), (2, 199362078460), (4, 99681039230), (5, 79744831384), (8, 49840519615), (10, 39872415692), (20, 19936207846), (40, 9968103923), (383, 1041055240), (766, 520527620), (1532, 260263810), (1915, 208211048), (3064, 130131905), (3830, 104105524), (7660, 52052762), (15320, 26026381)]