13620280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2089}}^1$

素因数の和:2263

約数の個数: 32

約数和(自身を含む): 30848400

約数和(自身を除く): 17228120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2089, 3260, 4178, 6520, 8356, 10445, 16712, 20890, 41780, 83560, 340507, 681014, 1362028, 1702535, 2724056, 3405070, 6810140, 13620280]

約数ペア:

[(1, 13620280), (2, 6810140), (4, 3405070), (5, 2724056), (8, 1702535), (10, 1362028), (20, 681014), (40, 340507), (163, 83560), (326, 41780), (652, 20890), (815, 16712), (1304, 10445), (1630, 8356), (2089, 6520), (3260, 4178)]