2135480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 4847040

約数和(自身を除く): 2711560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 271, 394, 542, 788, 985, 1084, 1355, 1576, 1970, 2168, 2710, 3940, 5420, 7880, 10840, 53387, 106774, 213548, 266935, 427096, 533870, 1067740, 2135480]

約数ペア:

[(1, 2135480), (2, 1067740), (4, 533870), (5, 427096), (8, 266935), (10, 213548), (20, 106774), (40, 53387), (197, 10840), (271, 7880), (394, 5420), (542, 3940), (788, 2710), (985, 2168), (1084, 1970), (1355, 1576)]