2105350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 4374720

約数和(自身を除く): 2269370

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 79, 82, 130, 158, 205, 325, 395, 410, 533, 650, 790, 1025, 1027, 1066, 1975, 2050, 2054, 2665, 3239, 3950, 5135, 5330, 6478, 10270, 13325, 16195, 25675, 26650, 32390, 42107, 51350, 80975, 84214, 161950, 210535, 421070, 1052675, 2105350]

約数ペア:

[(1, 2105350), (2, 1052675), (5, 421070), (10, 210535), (13, 161950), (25, 84214), (26, 80975), (41, 51350), (50, 42107), (65, 32390), (79, 26650), (82, 25675), (130, 16195), (158, 13325), (205, 10270), (325, 6478), (395, 5330), (410, 5135), (533, 3950), (650, 3239), (790, 2665), (1025, 2054), (1027, 2050), (1066, 1975)]