79656580

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{4019}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 167489280

約数和(自身を除く): 87832700

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4019, 4955, 8038, 9910, 16076, 19820, 20095, 40190, 80380, 3982829, 7965658, 15931316, 19914145, 39828290, 79656580]

約数ペア:

[(1, 79656580), (2, 39828290), (4, 19914145), (5, 15931316), (10, 7965658), (20, 3982829), (991, 80380), (1982, 40190), (3964, 20095), (4019, 19820), (4955, 16076), (8038, 9910)]