25198640

素因数分解:

$2^4\times 5^1\times {\mathrm{314983}}^1$

素因数の和:314996

約数の個数: 20

約数和(自身を含む): 58587024

約数和(自身を除く): 33388384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314983, 629966, 1259932, 1574915, 2519864, 3149830, 5039728, 6299660, 12599320, 25198640]

約数ペア:

[(1, 25198640), (2, 12599320), (4, 6299660), (5, 5039728), (8, 3149830), (10, 2519864), (16, 1574915), (20, 1259932), (40, 629966), (80, 314983)]