12278380

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2753}}^1$

素因数の和:2985

約数の個数: 24

約数和(自身を含む): 25909632

約数和(自身を除く): 13631252

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 2753, 4460, 5506, 11012, 13765, 27530, 55060, 613919, 1227838, 2455676, 3069595, 6139190, 12278380]

約数ペア:

[(1, 12278380), (2, 6139190), (4, 3069595), (5, 2455676), (10, 1227838), (20, 613919), (223, 55060), (446, 27530), (892, 13765), (1115, 11012), (2230, 5506), (2753, 4460)]