51213920

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 127897056

約数和(自身を除く): 76683136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 74, 80, 82, 148, 160, 164, 185, 205, 211, 296, 328, 370, 410, 422, 592, 656, 740, 820, 844, 1055, 1184, 1312, 1480, 1517, 1640, 1688, 2110, 2960, 3034, 3280, 3376, 4220, 5920, 6068, 6560, 6752, 7585, 7807, 8440, 8651, 12136, 15170, 15614, 16880, 17302, 24272, 30340, 31228, 33760, 34604, 39035, 43255, 48544, 60680, 62456, 69208, 78070, 86510, 121360, 124912, 138416, 156140, 173020, 242720, 249824, 276832, 312280, 320087, 346040, 624560, 640174, 692080, 1249120, 1280348, 1384160, 1600435, 2560696, 3200870, 5121392, 6401740, 10242784, 12803480, 25606960, 51213920]

約数ペア:

[(1, 51213920), (2, 25606960), (4, 12803480), (5, 10242784), (8, 6401740), (10, 5121392), (16, 3200870), (20, 2560696), (32, 1600435), (37, 1384160), (40, 1280348), (41, 1249120), (74, 692080), (80, 640174), (82, 624560), (148, 346040), (160, 320087), (164, 312280), (185, 276832), (205, 249824), (211, 242720), (296, 173020), (328, 156140), (370, 138416), (410, 124912), (422, 121360), (592, 86510), (656, 78070), (740, 69208), (820, 62456), (844, 60680), (1055, 48544), (1184, 43255), (1312, 39035), (1480, 34604), (1517, 33760), (1640, 31228), (1688, 30340), (2110, 24272), (2960, 17302), (3034, 16880), (3280, 15614), (3376, 15170), (4220, 12136), (5920, 8651), (6068, 8440), (6560, 7807), (6752, 7585)]