79865420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137699}}^1$

素因数の和:137737

約数の個数: 24

約数和(自身を含む): 173502000

約数和(自身を除く): 93636580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 137699, 275398, 550796, 688495, 1376990, 2753980, 3993271, 7986542, 15973084, 19966355, 39932710, 79865420]

約数ペア:

[(1, 79865420), (2, 39932710), (4, 19966355), (5, 15973084), (10, 7986542), (20, 3993271), (29, 2753980), (58, 1376990), (116, 688495), (145, 550796), (290, 275398), (580, 137699)]