28625860

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2939}}^1$

素因数の和:3435

約数の個数: 24

約数和(自身を含む): 60258240

約数和(自身を除く): 31632380

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 2939, 4870, 5878, 9740, 11756, 14695, 29390, 58780, 1431293, 2862586, 5725172, 7156465, 14312930, 28625860]

約数ペア:

[(1, 28625860), (2, 14312930), (4, 7156465), (5, 5725172), (10, 2862586), (20, 1431293), (487, 58780), (974, 29390), (1948, 14695), (2435, 11756), (2939, 9740), (4870, 5878)]