1264137460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1\times {\mathrm{2089}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 2696601600

約数和(自身を除く): 1432464140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 383, 395, 766, 790, 1532, 1580, 1915, 2089, 3830, 4178, 7660, 8356, 10445, 20890, 30257, 41780, 60514, 121028, 151285, 165031, 302570, 330062, 605140, 660124, 800087, 825155, 1600174, 1650310, 3200348, 3300620, 4000435, 8000870, 16001740, 63206873, 126413746, 252827492, 316034365, 632068730, 1264137460]

約数ペア:

[(1, 1264137460), (2, 632068730), (4, 316034365), (5, 252827492), (10, 126413746), (20, 63206873), (79, 16001740), (158, 8000870), (316, 4000435), (383, 3300620), (395, 3200348), (766, 1650310), (790, 1600174), (1532, 825155), (1580, 800087), (1915, 660124), (2089, 605140), (3830, 330062), (4178, 302570), (7660, 165031), (8356, 151285), (10445, 121028), (20890, 60514), (30257, 41780)]