89821840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26111}}^1$

素因数の和:26167

約数の個数: 40

約数和(自身を含む): 213700608

約数和(自身を除く): 123878768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 26111, 52222, 104444, 130555, 208888, 261110, 417776, 522220, 1044440, 1122773, 2088880, 2245546, 4491092, 5613865, 8982184, 11227730, 17964368, 22455460, 44910920, 89821840]

約数ペア:

[(1, 89821840), (2, 44910920), (4, 22455460), (5, 17964368), (8, 11227730), (10, 8982184), (16, 5613865), (20, 4491092), (40, 2245546), (43, 2088880), (80, 1122773), (86, 1044440), (172, 522220), (215, 417776), (344, 261110), (430, 208888), (688, 130555), (860, 104444), (1720, 52222), (3440, 26111)]