79282480

素因数分解:

$2^4\times 5^1\times {\mathrm{991031}}^1$

素因数の和:991044

約数の個数: 20

約数和(自身を含む): 184331952

約数和(自身を除く): 105049472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991031, 1982062, 3964124, 4955155, 7928248, 9910310, 15856496, 19820620, 39641240, 79282480]

約数ペア:

[(1, 79282480), (2, 39641240), (4, 19820620), (5, 15856496), (8, 9910310), (10, 7928248), (16, 4955155), (20, 3964124), (40, 1982062), (80, 991031)]