79681540

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{17551}}^1$

素因数の和:17787

約数の個数: 24

約数和(自身を含む): 168077952

約数和(自身を除く): 88396412

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 17551, 35102, 70204, 87755, 175510, 351020, 3984077, 7968154, 15936308, 19920385, 39840770, 79681540]

約数ペア:

[(1, 79681540), (2, 39840770), (4, 19920385), (5, 15936308), (10, 7968154), (20, 3984077), (227, 351020), (454, 175510), (908, 87755), (1135, 70204), (2270, 35102), (4540, 17551)]