2013455620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{115849}}^1$

素因数の和:115948

約数の個数: 48

約数和(自身を含む): 4671072000

約数和(自身を除く): 2657616380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 115849, 231698, 463396, 579245, 1158490, 1274339, 2316980, 2548678, 5097356, 6371695, 9152071, 12743390, 18304142, 25486780, 36608284, 45760355, 91520710, 100672781, 183041420, 201345562, 402691124, 503363905, 1006727810, 2013455620]

約数ペア:

[(1, 2013455620), (2, 1006727810), (4, 503363905), (5, 402691124), (10, 201345562), (11, 183041420), (20, 100672781), (22, 91520710), (44, 45760355), (55, 36608284), (79, 25486780), (110, 18304142), (158, 12743390), (220, 9152071), (316, 6371695), (395, 5097356), (790, 2548678), (869, 2316980), (1580, 1274339), (1738, 1158490), (3476, 579245), (4345, 463396), (8690, 231698), (17380, 115849)]