1554320

素因数分解:

$2^4\times 5^1\times {\mathrm{19429}}^1$

素因数の和:19442

約数の個数: 20

約数和(自身を含む): 3613980

約数和(自身を除く): 2059660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19429, 38858, 77716, 97145, 155432, 194290, 310864, 388580, 777160, 1554320]

約数ペア:

[(1, 1554320), (2, 777160), (4, 388580), (5, 310864), (8, 194290), (10, 155432), (16, 97145), (20, 77716), (40, 38858), (80, 19429)]