83610020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{321577}}^1$

素因数の和:321599

約数の個数: 24

約数和(自身を含む): 189087864

約数和(自身を除く): 105477844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 321577, 643154, 1286308, 1607885, 3215770, 4180501, 6431540, 8361002, 16722004, 20902505, 41805010, 83610020]

約数ペア:

[(1, 83610020), (2, 41805010), (4, 20902505), (5, 16722004), (10, 8361002), (13, 6431540), (20, 4180501), (26, 3215770), (52, 1607885), (65, 1286308), (130, 643154), (260, 321577)]