26312960

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 64251096

約数和(自身を除く): 37938136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 337, 488, 610, 640, 674, 976, 1220, 1280, 1348, 1685, 1952, 2440, 2696, 3370, 3904, 4880, 5392, 6740, 7808, 9760, 10784, 13480, 15616, 19520, 20557, 21568, 26960, 39040, 41114, 43136, 53920, 78080, 82228, 86272, 102785, 107840, 164456, 205570, 215680, 328912, 411140, 431360, 657824, 822280, 1315648, 1644560, 2631296, 3289120, 5262592, 6578240, 13156480, 26312960]

約数ペア:

[(1, 26312960), (2, 13156480), (4, 6578240), (5, 5262592), (8, 3289120), (10, 2631296), (16, 1644560), (20, 1315648), (32, 822280), (40, 657824), (61, 431360), (64, 411140), (80, 328912), (122, 215680), (128, 205570), (160, 164456), (244, 107840), (256, 102785), (305, 86272), (320, 82228), (337, 78080), (488, 53920), (610, 43136), (640, 41114), (674, 39040), (976, 26960), (1220, 21568), (1280, 20557), (1348, 19520), (1685, 15616), (1952, 13480), (2440, 10784), (2696, 9760), (3370, 7808), (3904, 6740), (4880, 5392)]