1310500

素因数分解:

$2^2\times 5^3\times {\mathrm{2621}}^1$

素因数の和:2640

約数の個数: 24

約数和(自身を含む): 2863224

約数和(自身を除く): 1552724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 2621, 5242, 10484, 13105, 26210, 52420, 65525, 131050, 262100, 327625, 655250, 1310500]

約数ペア:

[(1, 1310500), (2, 655250), (4, 327625), (5, 262100), (10, 131050), (20, 65525), (25, 52420), (50, 26210), (100, 13105), (125, 10484), (250, 5242), (500, 2621)]