26164040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1907}}^1$

素因数の和:1939

約数の個数: 64

約数和(自身を含む): 68688000

約数和(自身を除く): 42523960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1907, 1960, 2744, 3430, 3814, 6860, 7628, 9535, 13349, 13720, 15256, 19070, 26698, 38140, 53396, 66745, 76280, 93443, 106792, 133490, 186886, 266980, 373772, 467215, 533960, 654101, 747544, 934430, 1308202, 1868860, 2616404, 3270505, 3737720, 5232808, 6541010, 13082020, 26164040]

約数ペア:

[(1, 26164040), (2, 13082020), (4, 6541010), (5, 5232808), (7, 3737720), (8, 3270505), (10, 2616404), (14, 1868860), (20, 1308202), (28, 934430), (35, 747544), (40, 654101), (49, 533960), (56, 467215), (70, 373772), (98, 266980), (140, 186886), (196, 133490), (245, 106792), (280, 93443), (343, 76280), (392, 66745), (490, 53396), (686, 38140), (980, 26698), (1372, 19070), (1715, 15256), (1907, 13720), (1960, 13349), (2744, 9535), (3430, 7628), (3814, 6860)]