84488380

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2689}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 177604560

約数和(自身を除く): 93116180

約数列:

[1, 2, 4, 5, 10, 20, 1571, 2689, 3142, 5378, 6284, 7855, 10756, 13445, 15710, 26890, 31420, 53780, 4224419, 8448838, 16897676, 21122095, 42244190, 84488380]

約数ペア:

[(1, 84488380), (2, 42244190), (4, 21122095), (5, 16897676), (10, 8448838), (20, 4224419), (1571, 53780), (2689, 31420), (3142, 26890), (5378, 15710), (6284, 13445), (7855, 10756)]