30791540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118429}}^1$

素因数の和:118451

約数の個数: 24

約数和(自身を含む): 69636840

約数和(自身を除く): 38845300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 118429, 236858, 473716, 592145, 1184290, 1539577, 2368580, 3079154, 6158308, 7697885, 15395770, 30791540]

約数ペア:

[(1, 30791540), (2, 15395770), (4, 7697885), (5, 6158308), (10, 3079154), (13, 2368580), (20, 1539577), (26, 1184290), (52, 592145), (65, 473716), (130, 236858), (260, 118429)]