262340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 593880

約数和(自身を除く): 331540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1009, 2018, 4036, 5045, 10090, 13117, 20180, 26234, 52468, 65585, 131170, 262340]

約数ペア:

[(1, 262340), (2, 131170), (4, 65585), (5, 52468), (10, 26234), (13, 20180), (20, 13117), (26, 10090), (52, 5045), (65, 4036), (130, 2018), (260, 1009)]