7811310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20029}}^1$

素因数の和:20052

約数の個数: 32

約数和(自身を含む): 20190240

約数和(自身を除く): 12378930

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20029, 40058, 60087, 100145, 120174, 200290, 260377, 300435, 520754, 600870, 781131, 1301885, 1562262, 2603770, 3905655, 7811310]

約数ペア:

[(1, 7811310), (2, 3905655), (3, 2603770), (5, 1562262), (6, 1301885), (10, 781131), (13, 600870), (15, 520754), (26, 300435), (30, 260377), (39, 200290), (65, 120174), (78, 100145), (130, 60087), (195, 40058), (390, 20029)]