49887280

素因数分解:

$2^4\times 5^1\times {\mathrm{623591}}^1$

素因数の和:623604

約数の個数: 20

約数和(自身を含む): 115988112

約数和(自身を除く): 66100832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 623591, 1247182, 2494364, 3117955, 4988728, 6235910, 9977456, 12471820, 24943640, 49887280]

約数ペア:

[(1, 49887280), (2, 24943640), (4, 12471820), (5, 9977456), (8, 6235910), (10, 4988728), (16, 3117955), (20, 2494364), (40, 1247182), (80, 623591)]