80561840

素因数分解:

$2^4\times 5^1\times {\mathrm{1007023}}^1$

素因数の和:1007036

約数の個数: 20

約数和(自身を含む): 187306464

約数和(自身を除く): 106744624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1007023, 2014046, 4028092, 5035115, 8056184, 10070230, 16112368, 20140460, 40280920, 80561840]

約数ペア:

[(1, 80561840), (2, 40280920), (4, 20140460), (5, 16112368), (8, 10070230), (10, 8056184), (16, 5035115), (20, 4028092), (40, 2014046), (80, 1007023)]