11880020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 25858560

約数和(自身を除く): 13978540

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 103, 146, 158, 206, 292, 316, 365, 395, 412, 515, 730, 790, 1030, 1460, 1580, 2060, 5767, 7519, 8137, 11534, 15038, 16274, 23068, 28835, 30076, 32548, 37595, 40685, 57670, 75190, 81370, 115340, 150380, 162740, 594001, 1188002, 2376004, 2970005, 5940010, 11880020]

約数ペア:

[(1, 11880020), (2, 5940010), (4, 2970005), (5, 2376004), (10, 1188002), (20, 594001), (73, 162740), (79, 150380), (103, 115340), (146, 81370), (158, 75190), (206, 57670), (292, 40685), (316, 37595), (365, 32548), (395, 30076), (412, 28835), (515, 23068), (730, 16274), (790, 15038), (1030, 11534), (1460, 8137), (1580, 7519), (2060, 5767)]