22781680

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1277}}^1$

素因数の和:1513

約数の個数: 40

約数和(自身を含む): 53246592

約数和(自身を除く): 30464912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1277, 1784, 2230, 2554, 3568, 4460, 5108, 6385, 8920, 10216, 12770, 17840, 20432, 25540, 51080, 102160, 284771, 569542, 1139084, 1423855, 2278168, 2847710, 4556336, 5695420, 11390840, 22781680]

約数ペア:

[(1, 22781680), (2, 11390840), (4, 5695420), (5, 4556336), (8, 2847710), (10, 2278168), (16, 1423855), (20, 1139084), (40, 569542), (80, 284771), (223, 102160), (446, 51080), (892, 25540), (1115, 20432), (1277, 17840), (1784, 12770), (2230, 10216), (2554, 8920), (3568, 6385), (4460, 5108)]