7887968140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30338339}}^1$

素因数の和:30338361

約数の個数: 24

約数和(自身を含む): 17838943920

約数和(自身を除く): 9950975780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30338339, 60676678, 121353356, 151691695, 303383390, 394398407, 606766780, 788796814, 1577593628, 1971992035, 3943984070, 7887968140]

約数ペア:

[(1, 7887968140), (2, 3943984070), (4, 1971992035), (5, 1577593628), (10, 788796814), (13, 606766780), (20, 394398407), (26, 303383390), (52, 151691695), (65, 121353356), (130, 60676678), (260, 30338339)]