72476020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{20021}}^1$

素因数の和:20211

約数の個数: 24

約数和(自身を含む): 153048168

約数和(自身を除く): 80572148

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 20021, 40042, 80084, 100105, 200210, 400420, 3623801, 7247602, 14495204, 18119005, 36238010, 72476020]

約数ペア:

[(1, 72476020), (2, 36238010), (4, 18119005), (5, 14495204), (10, 7247602), (20, 3623801), (181, 400420), (362, 200210), (724, 100105), (905, 80084), (1810, 40042), (3620, 20021)]