26642590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 28515170

約数列:

[1, 2, 5, 10, 13, 26, 29, 37, 58, 65, 74, 130, 145, 185, 191, 290, 370, 377, 382, 481, 754, 955, 962, 1073, 1885, 1910, 2146, 2405, 2483, 3770, 4810, 4966, 5365, 5539, 7067, 10730, 11078, 12415, 13949, 14134, 24830, 27695, 27898, 35335, 55390, 69745, 70670, 72007, 91871, 139490, 144014, 183742, 204943, 360035, 409886, 459355, 720070, 918710, 1024715, 2049430, 2664259, 5328518, 13321295, 26642590]

約数ペア:

[(1, 26642590), (2, 13321295), (5, 5328518), (10, 2664259), (13, 2049430), (26, 1024715), (29, 918710), (37, 720070), (58, 459355), (65, 409886), (74, 360035), (130, 204943), (145, 183742), (185, 144014), (191, 139490), (290, 91871), (370, 72007), (377, 70670), (382, 69745), (481, 55390), (754, 35335), (955, 27898), (962, 27695), (1073, 24830), (1885, 14134), (1910, 13949), (2146, 12415), (2405, 11078), (2483, 10730), (3770, 7067), (4810, 5539), (4966, 5365)]