8080540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31079}}^1$

素因数の和:31101

約数の個数: 24

約数和(自身を含む): 18275040

約数和(自身を除く): 10194500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31079, 62158, 124316, 155395, 310790, 404027, 621580, 808054, 1616108, 2020135, 4040270, 8080540]

約数ペア:

[(1, 8080540), (2, 4040270), (4, 2020135), (5, 1616108), (10, 808054), (13, 621580), (20, 404027), (26, 310790), (52, 155395), (65, 124316), (130, 62158), (260, 31079)]