88820780

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{2351}}^1$

素因数の和:4249

約数の個数: 24

約数和(自身を含む): 186701760

約数和(自身を除く): 97880980

約数列:

[1, 2, 4, 5, 10, 20, 1889, 2351, 3778, 4702, 7556, 9404, 9445, 11755, 18890, 23510, 37780, 47020, 4441039, 8882078, 17764156, 22205195, 44410390, 88820780]

約数ペア:

[(1, 88820780), (2, 44410390), (4, 22205195), (5, 17764156), (10, 8882078), (20, 4441039), (1889, 47020), (2351, 37780), (3778, 23510), (4702, 18890), (7556, 11755), (9404, 9445)]