249103640

素因数分解:

$2^3\times 5^1\times {\mathrm{6227591}}^1$

素因数の和:6227602

約数の個数: 16

約数和(自身を含む): 560483280

約数和(自身を除く): 311379640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6227591, 12455182, 24910364, 31137955, 49820728, 62275910, 124551820, 249103640]

約数ペア:

[(1, 249103640), (2, 124551820), (4, 62275910), (5, 49820728), (8, 31137955), (10, 24910364), (20, 12455182), (40, 6227591)]