51602800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 132848640

約数和(自身を除く): 81245840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 71, 79, 80, 92, 100, 115, 142, 158, 184, 200, 230, 284, 316, 355, 368, 395, 400, 460, 568, 575, 632, 710, 790, 920, 1136, 1150, 1264, 1420, 1580, 1633, 1775, 1817, 1840, 1975, 2300, 2840, 3160, 3266, 3550, 3634, 3950, 4600, 5609, 5680, 6320, 6532, 7100, 7268, 7900, 8165, 9085, 9200, 11218, 13064, 14200, 14536, 15800, 16330, 18170, 22436, 26128, 28045, 28400, 29072, 31600, 32660, 36340, 40825, 44872, 45425, 56090, 65320, 72680, 81650, 89744, 90850, 112180, 129007, 130640, 140225, 145360, 163300, 181700, 224360, 258014, 280450, 326600, 363400, 448720, 516028, 560900, 645035, 653200, 726800, 1032056, 1121800, 1290070, 2064112, 2243600, 2580140, 3225175, 5160280, 6450350, 10320560, 12900700, 25801400, 51602800]

約数ペア:

[(1, 51602800), (2, 25801400), (4, 12900700), (5, 10320560), (8, 6450350), (10, 5160280), (16, 3225175), (20, 2580140), (23, 2243600), (25, 2064112), (40, 1290070), (46, 1121800), (50, 1032056), (71, 726800), (79, 653200), (80, 645035), (92, 560900), (100, 516028), (115, 448720), (142, 363400), (158, 326600), (184, 280450), (200, 258014), (230, 224360), (284, 181700), (316, 163300), (355, 145360), (368, 140225), (395, 130640), (400, 129007), (460, 112180), (568, 90850), (575, 89744), (632, 81650), (710, 72680), (790, 65320), (920, 56090), (1136, 45425), (1150, 44872), (1264, 40825), (1420, 36340), (1580, 32660), (1633, 31600), (1775, 29072), (1817, 28400), (1840, 28045), (1975, 26128), (2300, 22436), (2840, 18170), (3160, 16330), (3266, 15800), (3550, 14536), (3634, 14200), (3950, 13064), (4600, 11218), (5609, 9200), (5680, 9085), (6320, 8165), (6532, 7900), (7100, 7268)]