25722740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 56851200

約数和(自身を除く): 31128460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 281, 398, 460, 562, 796, 995, 1124, 1405, 1990, 2810, 3980, 4577, 5620, 6463, 9154, 12926, 18308, 22885, 25852, 32315, 45770, 55919, 64630, 91540, 111838, 129260, 223676, 279595, 559190, 1118380, 1286137, 2572274, 5144548, 6430685, 12861370, 25722740]

約数ペア:

[(1, 25722740), (2, 12861370), (4, 6430685), (5, 5144548), (10, 2572274), (20, 1286137), (23, 1118380), (46, 559190), (92, 279595), (115, 223676), (199, 129260), (230, 111838), (281, 91540), (398, 64630), (460, 55919), (562, 45770), (796, 32315), (995, 25852), (1124, 22885), (1405, 18308), (1990, 12926), (2810, 9154), (3980, 6463), (4577, 5620)]