180544220

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{13217}}^1$

素因数の和:13909

約数の個数: 24

約数和(自身を含む): 379726704

約数和(自身を除く): 199182484

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 6830, 13217, 13660, 26434, 52868, 66085, 132170, 264340, 9027211, 18054422, 36108844, 45136055, 90272110, 180544220]

約数ペア:

[(1, 180544220), (2, 90272110), (4, 45136055), (5, 36108844), (10, 18054422), (20, 9027211), (683, 264340), (1366, 132170), (2732, 66085), (3415, 52868), (6830, 26434), (13217, 13660)]