66866020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257177}}^1$

素因数の和:257199

約数の個数: 24

約数和(自身を含む): 151220664

約数和(自身を除く): 84354644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 257177, 514354, 1028708, 1285885, 2571770, 3343301, 5143540, 6686602, 13373204, 16716505, 33433010, 66866020]

約数ペア:

[(1, 66866020), (2, 33433010), (4, 16716505), (5, 13373204), (10, 6686602), (13, 5143540), (20, 3343301), (26, 2571770), (52, 1285885), (65, 1028708), (130, 514354), (260, 257177)]