157528520

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{13441}}^1$

素因数の和:13745

約数の個数: 32

約数和(自身を含む): 355675320

約数和(自身を除く): 198146800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 13441, 26882, 53764, 67205, 107528, 134410, 268820, 537640, 3938213, 7876426, 15752852, 19691065, 31505704, 39382130, 78764260, 157528520]

約数ペア:

[(1, 157528520), (2, 78764260), (4, 39382130), (5, 31505704), (8, 19691065), (10, 15752852), (20, 7876426), (40, 3938213), (293, 537640), (586, 268820), (1172, 134410), (1465, 107528), (2344, 67205), (2930, 53764), (5860, 26882), (11720, 13441)]