28540900

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{1061}}^1$

素因数の和:1344

約数の個数: 36

約数和(自身を含む): 62222580

約数和(自身を除く): 33681680

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 1061, 1076, 1345, 2122, 2690, 4244, 5305, 5380, 6725, 10610, 13450, 21220, 26525, 26900, 53050, 106100, 285409, 570818, 1141636, 1427045, 2854090, 5708180, 7135225, 14270450, 28540900]

約数ペア:

[(1, 28540900), (2, 14270450), (4, 7135225), (5, 5708180), (10, 2854090), (20, 1427045), (25, 1141636), (50, 570818), (100, 285409), (269, 106100), (538, 53050), (1061, 26900), (1076, 26525), (1345, 21220), (2122, 13450), (2690, 10610), (4244, 6725), (5305, 5380)]