26644240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{971}}^1$

素因数の和:1005

約数の個数: 80

約数和(自身を含む): 72316800

約数和(自身を除く): 45672560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 971, 980, 1372, 1715, 1942, 1960, 2744, 3430, 3884, 3920, 4855, 5488, 6797, 6860, 7768, 9710, 13594, 13720, 15536, 19420, 27188, 27440, 33985, 38840, 47579, 54376, 67970, 77680, 95158, 108752, 135940, 190316, 237895, 271880, 333053, 380632, 475790, 543760, 666106, 761264, 951580, 1332212, 1665265, 1903160, 2664424, 3330530, 3806320, 5328848, 6661060, 13322120, 26644240]

約数ペア:

[(1, 26644240), (2, 13322120), (4, 6661060), (5, 5328848), (7, 3806320), (8, 3330530), (10, 2664424), (14, 1903160), (16, 1665265), (20, 1332212), (28, 951580), (35, 761264), (40, 666106), (49, 543760), (56, 475790), (70, 380632), (80, 333053), (98, 271880), (112, 237895), (140, 190316), (196, 135940), (245, 108752), (280, 95158), (343, 77680), (392, 67970), (490, 54376), (560, 47579), (686, 38840), (784, 33985), (971, 27440), (980, 27188), (1372, 19420), (1715, 15536), (1942, 13720), (1960, 13594), (2744, 9710), (3430, 7768), (3884, 6860), (3920, 6797), (4855, 5488)]