38871950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 78953280

約数和(自身を除く): 40081330

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 757, 790, 1027, 1514, 1975, 2054, 3785, 3950, 5135, 7570, 9841, 10270, 18925, 19682, 25675, 37850, 49205, 51350, 59803, 98410, 119606, 246025, 299015, 492050, 598030, 777439, 1495075, 1554878, 2990150, 3887195, 7774390, 19435975, 38871950]

約数ペア:

[(1, 38871950), (2, 19435975), (5, 7774390), (10, 3887195), (13, 2990150), (25, 1554878), (26, 1495075), (50, 777439), (65, 598030), (79, 492050), (130, 299015), (158, 246025), (325, 119606), (395, 98410), (650, 59803), (757, 51350), (790, 49205), (1027, 37850), (1514, 25675), (1975, 19682), (2054, 18925), (3785, 10270), (3950, 9841), (5135, 7570)]