16207280

素因数分解:

$2^4\times 5^1\times {\mathrm{202591}}^1$

素因数の和:202604

約数の個数: 20

約数和(自身を含む): 37682112

約数和(自身を除く): 21474832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 202591, 405182, 810364, 1012955, 1620728, 2025910, 3241456, 4051820, 8103640, 16207280]

約数ペア:

[(1, 16207280), (2, 8103640), (4, 4051820), (5, 3241456), (8, 2025910), (10, 1620728), (16, 1012955), (20, 810364), (40, 405182), (80, 202591)]