180225340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{219787}}^1$

素因数の和:219837

約数の個数: 24

約数和(自身を含む): 387706032

約数和(自身を除く): 207480692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 219787, 439574, 879148, 1098935, 2197870, 4395740, 9011267, 18022534, 36045068, 45056335, 90112670, 180225340]

約数ペア:

[(1, 180225340), (2, 90112670), (4, 45056335), (5, 36045068), (10, 18022534), (20, 9011267), (41, 4395740), (82, 2197870), (164, 1098935), (205, 879148), (410, 439574), (820, 219787)]