2017129160

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{278609}}^1$

素因数の和:278801

約数の個数: 32

約数和(自身を含む): 4563631800

約数和(自身を除く): 2546502640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 278609, 557218, 1114436, 1393045, 2228872, 2786090, 5572180, 11144360, 50428229, 100856458, 201712916, 252141145, 403425832, 504282290, 1008564580, 2017129160]

約数ペア:

[(1, 2017129160), (2, 1008564580), (4, 504282290), (5, 403425832), (8, 252141145), (10, 201712916), (20, 100856458), (40, 50428229), (181, 11144360), (362, 5572180), (724, 2786090), (905, 2228872), (1448, 1393045), (1810, 1114436), (3620, 557218), (7240, 278609)]