80511820

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17579}}^1$

素因数の和:17817

約数の個数: 24

約数和(自身を含む): 169822800

約数和(自身を除く): 89310980

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 17579, 35158, 70316, 87895, 175790, 351580, 4025591, 8051182, 16102364, 20127955, 40255910, 80511820]

約数ペア:

[(1, 80511820), (2, 40255910), (4, 20127955), (5, 16102364), (10, 8051182), (20, 4025591), (229, 351580), (458, 175790), (916, 87895), (1145, 70316), (2290, 35158), (4580, 17579)]