78776020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{74317}}^1$

素因数の和:74379

約数の個数: 24

約数和(自身を含む): 168553224

約数和(自身を除く): 89777204

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 74317, 148634, 297268, 371585, 743170, 1486340, 3938801, 7877602, 15755204, 19694005, 39388010, 78776020]

約数ペア:

[(1, 78776020), (2, 39388010), (4, 19694005), (5, 15755204), (10, 7877602), (20, 3938801), (53, 1486340), (106, 743170), (212, 371585), (265, 297268), (530, 148634), (1060, 74317)]