123640432

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{40039}}^1$

素因数の和:40240

約数の個数: 20

約数和(自身を含む): 240800560

約数和(自身を除く): 117160128

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 40039, 80078, 160156, 320312, 640624, 7727527, 15455054, 30910108, 61820216, 123640432]

約数ペア:

[(1, 123640432), (2, 61820216), (4, 30910108), (8, 15455054), (16, 7727527), (193, 640624), (386, 320312), (772, 160156), (1544, 80078), (3088, 40039)]