2254480

素因数分解:

$2^4\times 5^1\times {\mathrm{28181}}^1$

素因数の和:28194

約数の個数: 20

約数和(自身を含む): 5241852

約数和(自身を除く): 2987372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 28181, 56362, 112724, 140905, 225448, 281810, 450896, 563620, 1127240, 2254480]

約数ペア:

[(1, 2254480), (2, 1127240), (4, 563620), (5, 450896), (8, 281810), (10, 225448), (16, 140905), (20, 112724), (40, 56362), (80, 28181)]