16180480

素因数分解:

$2^8\times 5^1\times {\mathrm{12641}}^1$

素因数の和:12662

約数の個数: 36

約数和(自身を含む): 38760372

約数和(自身を除く): 22579892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12641, 25282, 50564, 63205, 101128, 126410, 202256, 252820, 404512, 505640, 809024, 1011280, 1618048, 2022560, 3236096, 4045120, 8090240, 16180480]

約数ペア:

[(1, 16180480), (2, 8090240), (4, 4045120), (5, 3236096), (8, 2022560), (10, 1618048), (16, 1011280), (20, 809024), (32, 505640), (40, 404512), (64, 252820), (80, 202256), (128, 126410), (160, 101128), (256, 63205), (320, 50564), (640, 25282), (1280, 12641)]