51469160

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7109}}^1$

素因数の和:7301

約数の個数: 32

約数和(自身を含む): 116461800

約数和(自身を除く): 64992640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7109, 7240, 14218, 28436, 35545, 56872, 71090, 142180, 284360, 1286729, 2573458, 5146916, 6433645, 10293832, 12867290, 25734580, 51469160]

約数ペア:

[(1, 51469160), (2, 25734580), (4, 12867290), (5, 10293832), (8, 6433645), (10, 5146916), (20, 2573458), (40, 1286729), (181, 284360), (362, 142180), (724, 71090), (905, 56872), (1448, 35545), (1810, 28436), (3620, 14218), (7109, 7240)]