25241680

素因数分解:

$2^4\times 5^1\times {\mathrm{315521}}^1$

素因数の和:315534

約数の個数: 20

約数和(自身を含む): 58687092

約数和(自身を除く): 33445412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 315521, 631042, 1262084, 1577605, 2524168, 3155210, 5048336, 6310420, 12620840, 25241680]

約数ペア:

[(1, 25241680), (2, 12620840), (4, 6310420), (5, 5048336), (8, 3155210), (10, 2524168), (16, 1577605), (20, 1262084), (40, 631042), (80, 315521)]