12163940

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{823}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 25609920

約数和(自身を除く): 13445980

約数列:

[1, 2, 4, 5, 10, 20, 739, 823, 1478, 1646, 2956, 3292, 3695, 4115, 7390, 8230, 14780, 16460, 608197, 1216394, 2432788, 3040985, 6081970, 12163940]

約数ペア:

[(1, 12163940), (2, 6081970), (4, 3040985), (5, 2432788), (10, 1216394), (20, 608197), (739, 16460), (823, 14780), (1478, 8230), (1646, 7390), (2956, 4115), (3292, 3695)]