105490040

素因数分解:

$2^3\times 5^1\times {\mathrm{2637251}}^1$

素因数の和:2637262

約数の個数: 16

約数和(自身を含む): 237352680

約数和(自身を除く): 131862640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2637251, 5274502, 10549004, 13186255, 21098008, 26372510, 52745020, 105490040]

約数ペア:

[(1, 105490040), (2, 52745020), (4, 26372510), (5, 21098008), (8, 13186255), (10, 10549004), (20, 5274502), (40, 2637251)]