486545020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1871327}}^1$

素因数の和:1871349

約数の個数: 24

約数和(自身を含む): 1100340864

約数和(自身を除く): 613795844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1871327, 3742654, 7485308, 9356635, 18713270, 24327251, 37426540, 48654502, 97309004, 121636255, 243272510, 486545020]

約数ペア:

[(1, 486545020), (2, 243272510), (4, 121636255), (5, 97309004), (10, 48654502), (13, 37426540), (20, 24327251), (26, 18713270), (52, 9356635), (65, 7485308), (130, 3742654), (260, 1871327)]