28485020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14683}}^1$

素因数の和:14789

約数の個数: 24

約数和(自身を含む): 60439344

約数和(自身を除く): 31954324

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14683, 29366, 58732, 73415, 146830, 293660, 1424251, 2848502, 5697004, 7121255, 14242510, 28485020]

約数ペア:

[(1, 28485020), (2, 14242510), (4, 7121255), (5, 5697004), (10, 2848502), (20, 1424251), (97, 293660), (194, 146830), (388, 73415), (485, 58732), (970, 29366), (1940, 14683)]