1985680

素因数分解:

$2^4\times 5^1\times {\mathrm{24821}}^1$

素因数の和:24834

約数の個数: 20

約数和(自身を含む): 4616892

約数和(自身を除く): 2631212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24821, 49642, 99284, 124105, 198568, 248210, 397136, 496420, 992840, 1985680]

約数ペア:

[(1, 1985680), (2, 992840), (4, 496420), (5, 397136), (8, 248210), (10, 198568), (16, 124105), (20, 99284), (40, 49642), (80, 24821)]