90480260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{348001}}^1$

素因数の和:348023

約数の個数: 24

約数和(自身を含む): 204625176

約数和(自身を除く): 114144916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 348001, 696002, 1392004, 1740005, 3480010, 4524013, 6960020, 9048026, 18096052, 22620065, 45240130, 90480260]

約数ペア:

[(1, 90480260), (2, 45240130), (4, 22620065), (5, 18096052), (10, 9048026), (13, 6960020), (20, 4524013), (26, 3480010), (52, 1740005), (65, 1392004), (130, 696002), (260, 348001)]