79964020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137869}}^1$

素因数の和:137907

約数の個数: 24

約数和(自身を含む): 173716200

約数和(自身を除く): 93752180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 137869, 275738, 551476, 689345, 1378690, 2757380, 3998201, 7996402, 15992804, 19991005, 39982010, 79964020]

約数ペア:

[(1, 79964020), (2, 39982010), (4, 19991005), (5, 15992804), (10, 7996402), (20, 3998201), (29, 2757380), (58, 1378690), (116, 689345), (145, 551476), (290, 275738), (580, 137869)]