32400080

素因数分解:

$2^4\times 5^1\times {\mathrm{405001}}^1$

素因数の和:405014

約数の個数: 20

約数和(自身を含む): 75330372

約数和(自身を除く): 42930292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 405001, 810002, 1620004, 2025005, 3240008, 4050010, 6480016, 8100020, 16200040, 32400080]

約数ペア:

[(1, 32400080), (2, 16200040), (4, 8100020), (5, 6480016), (8, 4050010), (10, 3240008), (16, 2025005), (20, 1620004), (40, 810002), (80, 405001)]