28661950

素因数分解:

$2^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{2131}}^1$

素因数の和:2412

約数の個数: 24

約数和(自身を含む): 53534520

約数和(自身を除く): 24872570

約数列:

[1, 2, 5, 10, 25, 50, 269, 538, 1345, 2131, 2690, 4262, 6725, 10655, 13450, 21310, 53275, 106550, 573239, 1146478, 2866195, 5732390, 14330975, 28661950]

約数ペア:

[(1, 28661950), (2, 14330975), (5, 5732390), (10, 2866195), (25, 1146478), (50, 573239), (269, 106550), (538, 53275), (1345, 21310), (2131, 13450), (2690, 10655), (4262, 6725)]