2721550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 5624640

約数和(自身を除く): 2903090

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 79, 106, 130, 158, 265, 325, 395, 530, 650, 689, 790, 1027, 1325, 1378, 1975, 2054, 2650, 3445, 3950, 4187, 5135, 6890, 8374, 10270, 17225, 20935, 25675, 34450, 41870, 51350, 54431, 104675, 108862, 209350, 272155, 544310, 1360775, 2721550]

約数ペア:

[(1, 2721550), (2, 1360775), (5, 544310), (10, 272155), (13, 209350), (25, 108862), (26, 104675), (50, 54431), (53, 51350), (65, 41870), (79, 34450), (106, 25675), (130, 20935), (158, 17225), (265, 10270), (325, 8374), (395, 6890), (530, 5135), (650, 4187), (689, 3950), (790, 3445), (1027, 2650), (1325, 2054), (1378, 1975)]