64352080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1508

約数の個数: 80

約数和(自身を含む): 164989440

約数和(自身を除く): 100637360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1439, 1720, 2236, 2795, 2878, 3440, 4472, 5590, 5756, 7195, 8944, 11180, 11512, 14390, 18707, 22360, 23024, 28780, 37414, 44720, 57560, 61877, 74828, 93535, 115120, 123754, 149656, 187070, 247508, 299312, 309385, 374140, 495016, 618770, 748280, 804401, 990032, 1237540, 1496560, 1608802, 2475080, 3217604, 4022005, 4950160, 6435208, 8044010, 12870416, 16088020, 32176040, 64352080]

約数ペア:

[(1, 64352080), (2, 32176040), (4, 16088020), (5, 12870416), (8, 8044010), (10, 6435208), (13, 4950160), (16, 4022005), (20, 3217604), (26, 2475080), (40, 1608802), (43, 1496560), (52, 1237540), (65, 990032), (80, 804401), (86, 748280), (104, 618770), (130, 495016), (172, 374140), (208, 309385), (215, 299312), (260, 247508), (344, 187070), (430, 149656), (520, 123754), (559, 115120), (688, 93535), (860, 74828), (1040, 61877), (1118, 57560), (1439, 44720), (1720, 37414), (2236, 28780), (2795, 23024), (2878, 22360), (3440, 18707), (4472, 14390), (5590, 11512), (5756, 11180), (7195, 8944)]