28736180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130619}}^1$

素因数の和:130639

約数の個数: 24

約数和(自身を含む): 65832480

約数和(自身を除く): 37096300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130619, 261238, 522476, 653095, 1306190, 1436809, 2612380, 2873618, 5747236, 7184045, 14368090, 28736180]

約数ペア:

[(1, 28736180), (2, 14368090), (4, 7184045), (5, 5747236), (10, 2873618), (11, 2612380), (20, 1436809), (22, 1306190), (44, 653095), (55, 522476), (110, 261238), (220, 130619)]