3970640

素因数分解:

$2^4\times 5^1\times {\mathrm{49633}}^1$

素因数の和:49646

約数の個数: 20

約数和(自身を含む): 9231924

約数和(自身を除く): 5261284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49633, 99266, 198532, 248165, 397064, 496330, 794128, 992660, 1985320, 3970640]

約数ペア:

[(1, 3970640), (2, 1985320), (4, 992660), (5, 794128), (8, 496330), (10, 397064), (16, 248165), (20, 198532), (40, 99266), (80, 49633)]