264421820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1017007}}^1$

素因数の和:1017029

約数の個数: 24

約数和(自身を含む): 598000704

約数和(自身を除く): 333578884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1017007, 2034014, 4068028, 5085035, 10170070, 13221091, 20340140, 26442182, 52884364, 66105455, 132210910, 264421820]

約数ペア:

[(1, 264421820), (2, 132210910), (4, 66105455), (5, 52884364), (10, 26442182), (13, 20340140), (20, 13221091), (26, 10170070), (52, 5085035), (65, 4068028), (130, 2034014), (260, 1017007)]