26686990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 28470770

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 79, 83, 110, 158, 166, 185, 370, 395, 407, 415, 790, 814, 830, 869, 913, 1738, 1826, 2035, 2923, 3071, 4070, 4345, 4565, 5846, 6142, 6557, 8690, 9130, 13114, 14615, 15355, 29230, 30710, 32153, 32785, 33781, 64306, 65570, 67562, 72127, 144254, 160765, 168905, 242609, 321530, 337810, 360635, 485218, 721270, 1213045, 2426090, 2668699, 5337398, 13343495, 26686990]

約数ペア:

[(1, 26686990), (2, 13343495), (5, 5337398), (10, 2668699), (11, 2426090), (22, 1213045), (37, 721270), (55, 485218), (74, 360635), (79, 337810), (83, 321530), (110, 242609), (158, 168905), (166, 160765), (185, 144254), (370, 72127), (395, 67562), (407, 65570), (415, 64306), (790, 33781), (814, 32785), (830, 32153), (869, 30710), (913, 29230), (1738, 15355), (1826, 14615), (2035, 13114), (2923, 9130), (3071, 8690), (4070, 6557), (4345, 6142), (4565, 5846)]