80964140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 187536384

約数和(自身を除く): 106572244

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 67, 71, 74, 92, 115, 134, 142, 148, 185, 230, 268, 284, 335, 355, 370, 460, 670, 710, 740, 851, 1340, 1420, 1541, 1633, 1702, 2479, 2627, 3082, 3266, 3404, 4255, 4757, 4958, 5254, 6164, 6532, 7705, 8165, 8510, 9514, 9916, 10508, 12395, 13135, 15410, 16330, 17020, 19028, 23785, 24790, 26270, 30820, 32660, 47570, 49580, 52540, 57017, 60421, 95140, 109411, 114034, 120842, 176009, 218822, 228068, 241684, 285085, 302105, 352018, 437644, 547055, 570170, 604210, 704036, 880045, 1094110, 1140340, 1208420, 1760090, 2188220, 3520180, 4048207, 8096414, 16192828, 20241035, 40482070, 80964140]

約数ペア:

[(1, 80964140), (2, 40482070), (4, 20241035), (5, 16192828), (10, 8096414), (20, 4048207), (23, 3520180), (37, 2188220), (46, 1760090), (67, 1208420), (71, 1140340), (74, 1094110), (92, 880045), (115, 704036), (134, 604210), (142, 570170), (148, 547055), (185, 437644), (230, 352018), (268, 302105), (284, 285085), (335, 241684), (355, 228068), (370, 218822), (460, 176009), (670, 120842), (710, 114034), (740, 109411), (851, 95140), (1340, 60421), (1420, 57017), (1541, 52540), (1633, 49580), (1702, 47570), (2479, 32660), (2627, 30820), (3082, 26270), (3266, 24790), (3404, 23785), (4255, 19028), (4757, 17020), (4958, 16330), (5254, 15410), (6164, 13135), (6532, 12395), (7705, 10508), (8165, 9916), (8510, 9514)]