28541500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4391}}^1$

素因数の和:4423

約数の個数: 48

約数和(自身を含む): 67144896

約数和(自身を除く): 38603396

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 4391, 6500, 8782, 17564, 21955, 43910, 57083, 87820, 109775, 114166, 219550, 228332, 285415, 439100, 548875, 570830, 1097750, 1141660, 1427075, 2195500, 2854150, 5708300, 7135375, 14270750, 28541500]

約数ペア:

[(1, 28541500), (2, 14270750), (4, 7135375), (5, 5708300), (10, 2854150), (13, 2195500), (20, 1427075), (25, 1141660), (26, 1097750), (50, 570830), (52, 548875), (65, 439100), (100, 285415), (125, 228332), (130, 219550), (250, 114166), (260, 109775), (325, 87820), (500, 57083), (650, 43910), (1300, 21955), (1625, 17564), (3250, 8782), (4391, 6500)]