51155840

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1193}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 124223760

約数和(自身を除く): 73067920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1193, 1340, 2144, 2386, 2680, 4288, 4772, 5360, 5965, 8576, 9544, 10720, 11930, 19088, 21440, 23860, 38176, 42880, 47720, 76352, 79931, 95440, 152704, 159862, 190880, 319724, 381760, 399655, 639448, 763520, 799310, 1278896, 1598620, 2557792, 3197240, 5115584, 6394480, 10231168, 12788960, 25577920, 51155840]

約数ペア:

[(1, 51155840), (2, 25577920), (4, 12788960), (5, 10231168), (8, 6394480), (10, 5115584), (16, 3197240), (20, 2557792), (32, 1598620), (40, 1278896), (64, 799310), (67, 763520), (80, 639448), (128, 399655), (134, 381760), (160, 319724), (268, 190880), (320, 159862), (335, 152704), (536, 95440), (640, 79931), (670, 76352), (1072, 47720), (1193, 42880), (1340, 38176), (2144, 23860), (2386, 21440), (2680, 19088), (4288, 11930), (4772, 10720), (5360, 9544), (5965, 8576)]