72343760

素因数分解:

$2^4\times 5^1\times {\mathrm{904297}}^1$

素因数の和:904310

約数の個数: 20

約数和(自身を含む): 168199428

約数和(自身を除く): 95855668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 904297, 1808594, 3617188, 4521485, 7234376, 9042970, 14468752, 18085940, 36171880, 72343760]

約数ペア:

[(1, 72343760), (2, 36171880), (4, 18085940), (5, 14468752), (8, 9042970), (10, 7234376), (16, 4521485), (20, 3617188), (40, 1808594), (80, 904297)]