38720656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{186157}}^1$

素因数の和:186178

約数の個数: 20

約数和(自身を含む): 80792572

約数和(自身を除く): 42071916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 186157, 372314, 744628, 1489256, 2420041, 2978512, 4840082, 9680164, 19360328, 38720656]

約数ペア:

[(1, 38720656), (2, 19360328), (4, 9680164), (8, 4840082), (13, 2978512), (16, 2420041), (26, 1489256), (52, 744628), (104, 372314), (208, 186157)]