51370240

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 125092800

約数和(自身を除く): 73722560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 599, 640, 670, 1072, 1198, 1280, 1340, 2144, 2396, 2680, 2995, 4288, 4792, 5360, 5990, 8576, 9584, 10720, 11980, 17152, 19168, 21440, 23960, 38336, 40133, 42880, 47920, 76672, 80266, 85760, 95840, 153344, 160532, 191680, 200665, 321064, 383360, 401330, 642128, 766720, 802660, 1284256, 1605320, 2568512, 3210640, 5137024, 6421280, 10274048, 12842560, 25685120, 51370240]

約数ペア:

[(1, 51370240), (2, 25685120), (4, 12842560), (5, 10274048), (8, 6421280), (10, 5137024), (16, 3210640), (20, 2568512), (32, 1605320), (40, 1284256), (64, 802660), (67, 766720), (80, 642128), (128, 401330), (134, 383360), (160, 321064), (256, 200665), (268, 191680), (320, 160532), (335, 153344), (536, 95840), (599, 85760), (640, 80266), (670, 76672), (1072, 47920), (1198, 42880), (1280, 40133), (1340, 38336), (2144, 23960), (2396, 21440), (2680, 19168), (2995, 17152), (4288, 11980), (4792, 10720), (5360, 9584), (5990, 8576)]