28871750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 55092960

約数和(自身を除く): 26221210

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 2179, 2650, 4358, 6625, 10895, 13250, 21790, 54475, 108950, 115487, 230974, 272375, 544750, 577435, 1154870, 2887175, 5774350, 14435875, 28871750]

約数ペア:

[(1, 28871750), (2, 14435875), (5, 5774350), (10, 2887175), (25, 1154870), (50, 577435), (53, 544750), (106, 272375), (125, 230974), (250, 115487), (265, 108950), (530, 54475), (1325, 21790), (2179, 13250), (2650, 10895), (4358, 6625)]