201872920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27883}}^1$

素因数の和:28075

約数の個数: 32

約数和(自身を含む): 456739920

約数和(自身を除く): 254867000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27883, 55766, 111532, 139415, 223064, 278830, 557660, 1115320, 5046823, 10093646, 20187292, 25234115, 40374584, 50468230, 100936460, 201872920]

約数ペア:

[(1, 201872920), (2, 100936460), (4, 50468230), (5, 40374584), (8, 25234115), (10, 20187292), (20, 10093646), (40, 5046823), (181, 1115320), (362, 557660), (724, 278830), (905, 223064), (1448, 139415), (1810, 111532), (3620, 55766), (7240, 27883)]