25520572

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 34959428

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 89, 98, 133, 154, 178, 196, 209, 266, 308, 343, 356, 418, 532, 539, 623, 686, 836, 931, 979, 1078, 1246, 1372, 1463, 1691, 1862, 1958, 2156, 2492, 2926, 3382, 3724, 3773, 3916, 4361, 5852, 6517, 6764, 6853, 7546, 8722, 10241, 11837, 13034, 13706, 15092, 17444, 18601, 20482, 23674, 26068, 27412, 30527, 37202, 40964, 47348, 47971, 61054, 71687, 74404, 82859, 95942, 122108, 130207, 143374, 165718, 191884, 260414, 286748, 331436, 335797, 520828, 580013, 671594, 911449, 1160026, 1343188, 1822898, 2320052, 3645796, 6380143, 12760286, 25520572]

約数ペア:

[(1, 25520572), (2, 12760286), (4, 6380143), (7, 3645796), (11, 2320052), (14, 1822898), (19, 1343188), (22, 1160026), (28, 911449), (38, 671594), (44, 580013), (49, 520828), (76, 335797), (77, 331436), (89, 286748), (98, 260414), (133, 191884), (154, 165718), (178, 143374), (196, 130207), (209, 122108), (266, 95942), (308, 82859), (343, 74404), (356, 71687), (418, 61054), (532, 47971), (539, 47348), (623, 40964), (686, 37202), (836, 30527), (931, 27412), (979, 26068), (1078, 23674), (1246, 20482), (1372, 18601), (1463, 17444), (1691, 15092), (1862, 13706), (1958, 13034), (2156, 11837), (2492, 10241), (2926, 8722), (3382, 7546), (3724, 6853), (3773, 6764), (3916, 6517), (4361, 5852)]