25139120

素因数分解:

$2^4\times 5^1\times {\mathrm{314239}}^1$

素因数の和:314252

約数の個数: 20

約数和(自身を含む): 58448640

約数和(自身を除く): 33309520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314239, 628478, 1256956, 1571195, 2513912, 3142390, 5027824, 6284780, 12569560, 25139120]

約数ペア:

[(1, 25139120), (2, 12569560), (4, 6284780), (5, 5027824), (8, 3142390), (10, 2513912), (16, 1571195), (20, 1256956), (40, 628478), (80, 314239)]