13489540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11057}}^1$

素因数の和:11127

約数の個数: 24

約数和(自身を含む): 28795032

約数和(自身を除く): 15305492

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 11057, 22114, 44228, 55285, 110570, 221140, 674477, 1348954, 2697908, 3372385, 6744770, 13489540]

約数ペア:

[(1, 13489540), (2, 6744770), (4, 3372385), (5, 2697908), (10, 1348954), (20, 674477), (61, 221140), (122, 110570), (244, 55285), (305, 44228), (610, 22114), (1220, 11057)]