2021104720

素因数分解:

$2^4\times 5^1\times {\mathrm{2711}}^1\times {\mathrm{9319}}^1$

素因数の和:12043

約数の個数: 40

約数和(自身を含む): 4701306240

約数和(自身を除く): 2680201520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2711, 5422, 9319, 10844, 13555, 18638, 21688, 27110, 37276, 43376, 46595, 54220, 74552, 93190, 108440, 149104, 186380, 216880, 372760, 745520, 25263809, 50527618, 101055236, 126319045, 202110472, 252638090, 404220944, 505276180, 1010552360, 2021104720]

約数ペア:

[(1, 2021104720), (2, 1010552360), (4, 505276180), (5, 404220944), (8, 252638090), (10, 202110472), (16, 126319045), (20, 101055236), (40, 50527618), (80, 25263809), (2711, 745520), (5422, 372760), (9319, 216880), (10844, 186380), (13555, 149104), (18638, 108440), (21688, 93190), (27110, 74552), (37276, 54220), (43376, 46595)]