129772600

素因数分解:

$2^3\times 5^2\times {\mathrm{648863}}^1$

素因数の和:648879

約数の個数: 24

約数和(自身を含む): 301721760

約数和(自身を除く): 171949160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 648863, 1297726, 2595452, 3244315, 5190904, 6488630, 12977260, 16221575, 25954520, 32443150, 64886300, 129772600]

約数ペア:

[(1, 129772600), (2, 64886300), (4, 32443150), (5, 25954520), (8, 16221575), (10, 12977260), (20, 6488630), (25, 5190904), (40, 3244315), (50, 2595452), (100, 1297726), (200, 648863)]