814951120

素因数分解:

$2^4\times 5^1\times {\mathrm{10186889}}^1$

素因数の和:10186902

約数の個数: 20

約数和(自身を含む): 1894761540

約数和(自身を除く): 1079810420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10186889, 20373778, 40747556, 50934445, 81495112, 101868890, 162990224, 203737780, 407475560, 814951120]

約数ペア:

[(1, 814951120), (2, 407475560), (4, 203737780), (5, 162990224), (8, 101868890), (10, 81495112), (16, 50934445), (20, 40747556), (40, 20373778), (80, 10186889)]