17765540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68329}}^1$

素因数の和:68351

約数の個数: 24

約数和(自身を含む): 40178040

約数和(自身を除く): 22412500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68329, 136658, 273316, 341645, 683290, 888277, 1366580, 1776554, 3553108, 4441385, 8882770, 17765540]

約数ペア:

[(1, 17765540), (2, 8882770), (4, 4441385), (5, 3553108), (10, 1776554), (13, 1366580), (20, 888277), (26, 683290), (52, 341645), (65, 273316), (130, 136658), (260, 68329)]