267268520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{64871}}^1$

素因数の和:64985

約数の個数: 32

約数和(自身を含む): 607201920

約数和(自身を除く): 339933400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 64871, 129742, 259484, 324355, 518968, 648710, 1297420, 2594840, 6681713, 13363426, 26726852, 33408565, 53453704, 66817130, 133634260, 267268520]

約数ペア:

[(1, 267268520), (2, 133634260), (4, 66817130), (5, 53453704), (8, 33408565), (10, 26726852), (20, 13363426), (40, 6681713), (103, 2594840), (206, 1297420), (412, 648710), (515, 518968), (824, 324355), (1030, 259484), (2060, 129742), (4120, 64871)]