128239850

素因数分解:

$2^1\times 5^2\times {\mathrm{503}}^1\times {\mathrm{5099}}^1$

素因数の和:5614

約数の個数: 24

約数和(自身を含む): 239047200

約数和(自身を除く): 110807350

約数列:

[1, 2, 5, 10, 25, 50, 503, 1006, 2515, 5030, 5099, 10198, 12575, 25150, 25495, 50990, 127475, 254950, 2564797, 5129594, 12823985, 25647970, 64119925, 128239850]

約数ペア:

[(1, 128239850), (2, 64119925), (5, 25647970), (10, 12823985), (25, 5129594), (50, 2564797), (503, 254950), (1006, 127475), (2515, 50990), (5030, 25495), (5099, 25150), (10198, 12575)]