11385140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43789}}^1$

素因数の和:43811

約数の個数: 24

約数和(自身を含む): 25748520

約数和(自身を除く): 14363380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 43789, 87578, 175156, 218945, 437890, 569257, 875780, 1138514, 2277028, 2846285, 5692570, 11385140]

約数ペア:

[(1, 11385140), (2, 5692570), (4, 2846285), (5, 2277028), (10, 1138514), (13, 875780), (20, 569257), (26, 437890), (52, 218945), (65, 175156), (130, 87578), (260, 43789)]