400030850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{195137}}^1$

素因数の和:195190

約数の個数: 24

約数和(自身を含む): 762209028

約数和(自身を除く): 362178178

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 195137, 390274, 975685, 1951370, 4878425, 8000617, 9756850, 16001234, 40003085, 80006170, 200015425, 400030850]

約数ペア:

[(1, 400030850), (2, 200015425), (5, 80006170), (10, 40003085), (25, 16001234), (41, 9756850), (50, 8000617), (82, 4878425), (205, 1951370), (410, 975685), (1025, 390274), (2050, 195137)]