1293113840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{950819}}^1$

素因数の和:950849

約数の個数: 40

約数和(自身を含む): 3183345360

約数和(自身を除く): 1890231520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 950819, 1901638, 3803276, 4754095, 7606552, 9508190, 15213104, 16163923, 19016380, 32327846, 38032760, 64655692, 76065520, 80819615, 129311384, 161639230, 258622768, 323278460, 646556920, 1293113840]

約数ペア:

[(1, 1293113840), (2, 646556920), (4, 323278460), (5, 258622768), (8, 161639230), (10, 129311384), (16, 80819615), (17, 76065520), (20, 64655692), (34, 38032760), (40, 32327846), (68, 19016380), (80, 16163923), (85, 15213104), (136, 9508190), (170, 7606552), (272, 4754095), (340, 3803276), (680, 1901638), (1360, 950819)]