794272720

素因数分解:

$2^4\times 5^1\times {\mathrm{9928409}}^1$

素因数の和:9928422

約数の個数: 20

約数和(自身を含む): 1846684260

約数和(自身を除く): 1052411540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9928409, 19856818, 39713636, 49642045, 79427272, 99284090, 158854544, 198568180, 397136360, 794272720]

約数ペア:

[(1, 794272720), (2, 397136360), (4, 198568180), (5, 158854544), (8, 99284090), (10, 79427272), (16, 49642045), (20, 39713636), (40, 19856818), (80, 9928409)]