13775240

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 31100760

約数和(自身を除く): 17325520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 661, 1042, 1322, 2084, 2605, 2644, 3305, 4168, 5210, 5288, 6610, 10420, 13220, 20840, 26440, 344381, 688762, 1377524, 1721905, 2755048, 3443810, 6887620, 13775240]

約数ペア:

[(1, 13775240), (2, 6887620), (4, 3443810), (5, 2755048), (8, 1721905), (10, 1377524), (20, 688762), (40, 344381), (521, 26440), (661, 20840), (1042, 13220), (1322, 10420), (2084, 6610), (2605, 5288), (2644, 5210), (3305, 4168)]