667550

素因数分解:

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

素因数の和:117

約数の個数: 36

約数和(自身を含む): 1361520

約数和(自身を除く): 693970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 169, 325, 338, 395, 650, 790, 845, 1027, 1690, 1975, 2054, 3950, 4225, 5135, 8450, 10270, 13351, 25675, 26702, 51350, 66755, 133510, 333775, 667550]

約数ペア:

[(1, 667550), (2, 333775), (5, 133510), (10, 66755), (13, 51350), (25, 26702), (26, 25675), (50, 13351), (65, 10270), (79, 8450), (130, 5135), (158, 4225), (169, 3950), (325, 2054), (338, 1975), (395, 1690), (650, 1027), (790, 845)]