26860000

素因数分解:

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

素因数の和:126

約数の個数: 120

約数和(自身を含む): 70852320

約数和(自身を除く): 43992320

約数列:

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

約数ペア:

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