123362480

素因数分解:

$2^4\times 5^1\times {\mathrm{1542031}}^1$

素因数の和:1542044

約数の個数: 20

約数和(自身を含む): 286817952

約数和(自身を除く): 163455472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1542031, 3084062, 6168124, 7710155, 12336248, 15420310, 24672496, 30840620, 61681240, 123362480]

約数ペア:

[(1, 123362480), (2, 61681240), (4, 30840620), (5, 24672496), (8, 15420310), (10, 12336248), (16, 7710155), (20, 6168124), (40, 3084062), (80, 1542031)]