22697680

素因数分解:

$2^4\times 5^1\times {\mathrm{283721}}^1$

素因数の和:283734

約数の個数: 20

約数和(自身を含む): 52772292

約数和(自身を除く): 30074612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283721, 567442, 1134884, 1418605, 2269768, 2837210, 4539536, 5674420, 11348840, 22697680]

約数ペア:

[(1, 22697680), (2, 11348840), (4, 5674420), (5, 4539536), (8, 2837210), (10, 2269768), (16, 1418605), (20, 1134884), (40, 567442), (80, 283721)]