66086540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{254179}}^1$

素因数の和:254201

約数の個数: 24

約数和(自身を含む): 149457840

約数和(自身を除く): 83371300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 254179, 508358, 1016716, 1270895, 2541790, 3304327, 5083580, 6608654, 13217308, 16521635, 33043270, 66086540]

約数ペア:

[(1, 66086540), (2, 33043270), (4, 16521635), (5, 13217308), (10, 6608654), (13, 5083580), (20, 3304327), (26, 2541790), (52, 1270895), (65, 1016716), (130, 508358), (260, 254179)]