256199702960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139238969}}^1$

素因数の和:139239005

約数の個数: 40

約数和(自身を含む): 621562762080

約数和(自身を除く): 365363059120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 139238969, 278477938, 556955876, 696194845, 1113911752, 1392389690, 2227823504, 2784779380, 3202496287, 5569558760, 6404992574, 11139117520, 12809985148, 16012481435, 25619970296, 32024962870, 51239940592, 64049925740, 128099851480, 256199702960]

約数ペア:

[(1, 256199702960), (2, 128099851480), (4, 64049925740), (5, 51239940592), (8, 32024962870), (10, 25619970296), (16, 16012481435), (20, 12809985148), (23, 11139117520), (40, 6404992574), (46, 5569558760), (80, 3202496287), (92, 2784779380), (115, 2227823504), (184, 1392389690), (230, 1113911752), (368, 696194845), (460, 556955876), (920, 278477938), (1840, 139238969)]