28076240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4943}}^1$

素因数の和:5027

約数の個数: 40

約数和(自身を含む): 66210048

約数和(自身を除く): 38133808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4943, 5680, 9886, 19772, 24715, 39544, 49430, 79088, 98860, 197720, 350953, 395440, 701906, 1403812, 1754765, 2807624, 3509530, 5615248, 7019060, 14038120, 28076240]

約数ペア:

[(1, 28076240), (2, 14038120), (4, 7019060), (5, 5615248), (8, 3509530), (10, 2807624), (16, 1754765), (20, 1403812), (40, 701906), (71, 395440), (80, 350953), (142, 197720), (284, 98860), (355, 79088), (568, 49430), (710, 39544), (1136, 24715), (1420, 19772), (2840, 9886), (4943, 5680)]