26510080

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 64386000

約数和(自身を除く): 37875920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 149, 160, 256, 278, 298, 320, 556, 596, 640, 695, 745, 1112, 1192, 1280, 1390, 1490, 2224, 2384, 2780, 2980, 4448, 4768, 5560, 5960, 8896, 9536, 11120, 11920, 17792, 19072, 20711, 22240, 23840, 35584, 38144, 41422, 44480, 47680, 82844, 88960, 95360, 103555, 165688, 177920, 190720, 207110, 331376, 414220, 662752, 828440, 1325504, 1656880, 2651008, 3313760, 5302016, 6627520, 13255040, 26510080]

約数ペア:

[(1, 26510080), (2, 13255040), (4, 6627520), (5, 5302016), (8, 3313760), (10, 2651008), (16, 1656880), (20, 1325504), (32, 828440), (40, 662752), (64, 414220), (80, 331376), (128, 207110), (139, 190720), (149, 177920), (160, 165688), (256, 103555), (278, 95360), (298, 88960), (320, 82844), (556, 47680), (596, 44480), (640, 41422), (695, 38144), (745, 35584), (1112, 23840), (1192, 22240), (1280, 20711), (1390, 19072), (1490, 17792), (2224, 11920), (2384, 11120), (2780, 9536), (2980, 8896), (4448, 5960), (4768, 5560)]