25378072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 50400000

約数和(自身を除く): 25021928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 839, 1592, 1678, 3356, 3781, 6712, 7562, 15124, 15941, 30248, 31882, 63764, 127528, 166961, 333922, 667844, 1335688, 3172259, 6344518, 12689036, 25378072]

約数ペア:

[(1, 25378072), (2, 12689036), (4, 6344518), (8, 3172259), (19, 1335688), (38, 667844), (76, 333922), (152, 166961), (199, 127528), (398, 63764), (796, 31882), (839, 30248), (1592, 15941), (1678, 15124), (3356, 7562), (3781, 6712)]