201454480

素因数分解:

$2^4\times 5^1\times {\mathrm{2518181}}^1$

素因数の和:2518194

約数の個数: 20

約数和(自身を含む): 468381852

約数和(自身を除く): 266927372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518181, 5036362, 10072724, 12590905, 20145448, 25181810, 40290896, 50363620, 100727240, 201454480]

約数ペア:

[(1, 201454480), (2, 100727240), (4, 50363620), (5, 40290896), (8, 25181810), (10, 20145448), (16, 12590905), (20, 10072724), (40, 5036362), (80, 2518181)]