490632020

素因数分解:

$2^2\times 5^1\times {\mathrm{5443}}^1\times {\mathrm{4507}}^1$

素因数の和:9959

約数の個数: 24

約数和(自身を含む): 1030745184

約数和(自身を除く): 540113164

約数列:

[1, 2, 4, 5, 10, 20, 4507, 5443, 9014, 10886, 18028, 21772, 22535, 27215, 45070, 54430, 90140, 108860, 24531601, 49063202, 98126404, 122658005, 245316010, 490632020]

約数ペア:

[(1, 490632020), (2, 245316010), (4, 122658005), (5, 98126404), (10, 49063202), (20, 24531601), (4507, 108860), (5443, 90140), (9014, 54430), (10886, 45070), (18028, 27215), (21772, 22535)]