159202480

素因数分解:

$2^4\times 5^1\times {\mathrm{1990031}}^1$

素因数の和:1990044

約数の個数: 20

約数和(自身を含む): 370145952

約数和(自身を除く): 210943472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1990031, 3980062, 7960124, 9950155, 15920248, 19900310, 31840496, 39800620, 79601240, 159202480]

約数ペア:

[(1, 159202480), (2, 79601240), (4, 39800620), (5, 31840496), (8, 19900310), (10, 15920248), (16, 9950155), (20, 7960124), (40, 3980062), (80, 1990031)]