13382480

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^2$

素因数の和:831

約数の個数: 30

約数和(自身を含む): 31190526

約数和(自身を除く): 17808046

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 167281, 334562, 669124, 836405, 1338248, 1672810, 2676496, 3345620, 6691240, 13382480]

約数ペア:

[(1, 13382480), (2, 6691240), (4, 3345620), (5, 2676496), (8, 1672810), (10, 1338248), (16, 836405), (20, 669124), (40, 334562), (80, 167281), (409, 32720), (818, 16360), (1636, 8180), (2045, 6544), (3272, 4090)]