53720000

素因数分解:

$2^6\times 5^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 140

約数和(自身を含む): 142829280

約数和(自身を除く): 89109280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 79, 80, 85, 100, 125, 136, 158, 160, 170, 200, 250, 272, 316, 320, 340, 395, 400, 425, 500, 544, 625, 632, 680, 790, 800, 850, 1000, 1088, 1250, 1264, 1343, 1360, 1580, 1600, 1700, 1975, 2000, 2125, 2500, 2528, 2686, 2720, 3160, 3400, 3950, 4000, 4250, 5000, 5056, 5372, 5440, 6320, 6715, 6800, 7900, 8000, 8500, 9875, 10000, 10625, 10744, 12640, 13430, 13600, 15800, 17000, 19750, 20000, 21250, 21488, 25280, 26860, 27200, 31600, 33575, 34000, 39500, 40000, 42500, 42976, 49375, 53720, 63200, 67150, 68000, 79000, 85000, 85952, 98750, 107440, 126400, 134300, 136000, 158000, 167875, 170000, 197500, 214880, 268600, 316000, 335750, 340000, 395000, 429760, 537200, 632000, 671500, 680000, 790000, 839375, 1074400, 1343000, 1580000, 1678750, 2148800, 2686000, 3160000, 3357500, 5372000, 6715000, 10744000, 13430000, 26860000, 53720000]

約数ペア:

[(1, 53720000), (2, 26860000), (4, 13430000), (5, 10744000), (8, 6715000), (10, 5372000), (16, 3357500), (17, 3160000), (20, 2686000), (25, 2148800), (32, 1678750), (34, 1580000), (40, 1343000), (50, 1074400), (64, 839375), (68, 790000), (79, 680000), (80, 671500), (85, 632000), (100, 537200), (125, 429760), (136, 395000), (158, 340000), (160, 335750), (170, 316000), (200, 268600), (250, 214880), (272, 197500), (316, 170000), (320, 167875), (340, 158000), (395, 136000), (400, 134300), (425, 126400), (500, 107440), (544, 98750), (625, 85952), (632, 85000), (680, 79000), (790, 68000), (800, 67150), (850, 63200), (1000, 53720), (1088, 49375), (1250, 42976), (1264, 42500), (1343, 40000), (1360, 39500), (1580, 34000), (1600, 33575), (1700, 31600), (1975, 27200), (2000, 26860), (2125, 25280), (2500, 21488), (2528, 21250), (2686, 20000), (2720, 19750), (3160, 17000), (3400, 15800), (3950, 13600), (4000, 13430), (4250, 12640), (5000, 10744), (5056, 10625), (5372, 10000), (5440, 9875), (6320, 8500), (6715, 8000), (6800, 7900)]