28800320

素因数分解:

$2^6\times 5^1\times {\mathrm{90001}}^1$

素因数の和:90018

約数の個数: 28

約数和(自身を含む): 68581524

約数和(自身を除く): 39781204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 90001, 180002, 360004, 450005, 720008, 900010, 1440016, 1800020, 2880032, 3600040, 5760064, 7200080, 14400160, 28800320]

約数ペア:

[(1, 28800320), (2, 14400160), (4, 7200080), (5, 5760064), (8, 3600040), (10, 2880032), (16, 1800020), (20, 1440016), (32, 900010), (40, 720008), (64, 450005), (80, 360004), (160, 180002), (320, 90001)]