26620940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42937}}^1$

素因数の和:42977

約数の個数: 24

約数和(自身を含む): 57708672

約数和(自身を除く): 31087732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 42937, 85874, 171748, 214685, 429370, 858740, 1331047, 2662094, 5324188, 6655235, 13310470, 26620940]

約数ペア:

[(1, 26620940), (2, 13310470), (4, 6655235), (5, 5324188), (10, 2662094), (20, 1331047), (31, 858740), (62, 429370), (124, 214685), (155, 171748), (310, 85874), (620, 42937)]