8127405260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{163661}}^1$

素因数の和:163874

約数の個数: 48

約数和(自身を含む): 18476785152

約数和(自身を除く): 10349379892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3820, 4966, 9932, 12415, 24830, 49660, 163661, 327322, 654644, 818305, 1636610, 2127593, 3273220, 4255186, 8510372, 10637965, 21275930, 31259251, 42551860, 62518502, 125037004, 156296255, 312592510, 406370263, 625185020, 812740526, 1625481052, 2031851315, 4063702630, 8127405260]

約数ペア:

[(1, 8127405260), (2, 4063702630), (4, 2031851315), (5, 1625481052), (10, 812740526), (13, 625185020), (20, 406370263), (26, 312592510), (52, 156296255), (65, 125037004), (130, 62518502), (191, 42551860), (260, 31259251), (382, 21275930), (764, 10637965), (955, 8510372), (1910, 4255186), (2483, 3273220), (3820, 2127593), (4966, 1636610), (9932, 818305), (12415, 654644), (24830, 327322), (49660, 163661)]