80030960

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5527}}^1$

素因数の和:5721

約数の個数: 40

約数和(自身を含む): 187133856

約数和(自身を除く): 107102896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 5527, 7240, 11054, 14480, 22108, 27635, 44216, 55270, 88432, 110540, 221080, 442160, 1000387, 2000774, 4001548, 5001935, 8003096, 10003870, 16006192, 20007740, 40015480, 80030960]

約数ペア:

[(1, 80030960), (2, 40015480), (4, 20007740), (5, 16006192), (8, 10003870), (10, 8003096), (16, 5001935), (20, 4001548), (40, 2000774), (80, 1000387), (181, 442160), (362, 221080), (724, 110540), (905, 88432), (1448, 55270), (1810, 44216), (2896, 27635), (3620, 22108), (5527, 14480), (7240, 11054)]