13620520

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2039}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 17224280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 2039, 3340, 4078, 6680, 8156, 10195, 16312, 20390, 40780, 81560, 340513, 681026, 1362052, 1702565, 2724104, 3405130, 6810260, 13620520]

約数ペア:

[(1, 13620520), (2, 6810260), (4, 3405130), (5, 2724104), (8, 1702565), (10, 1362052), (20, 681026), (40, 340513), (167, 81560), (334, 40780), (668, 20390), (835, 16312), (1336, 10195), (1670, 8156), (2039, 6680), (3340, 4078)]