85478000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:643

約数の個数: 80

約数和(自身を含む): 209688960

約数和(自身を除く): 124210960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 500, 541, 632, 790, 1000, 1082, 1264, 1580, 1975, 2000, 2164, 2705, 3160, 3950, 4328, 5410, 6320, 7900, 8656, 9875, 10820, 13525, 15800, 19750, 21640, 27050, 31600, 39500, 42739, 43280, 54100, 67625, 79000, 85478, 108200, 135250, 158000, 170956, 213695, 216400, 270500, 341912, 427390, 541000, 683824, 854780, 1068475, 1082000, 1709560, 2136950, 3419120, 4273900, 5342375, 8547800, 10684750, 17095600, 21369500, 42739000, 85478000]

約数ペア:

[(1, 85478000), (2, 42739000), (4, 21369500), (5, 17095600), (8, 10684750), (10, 8547800), (16, 5342375), (20, 4273900), (25, 3419120), (40, 2136950), (50, 1709560), (79, 1082000), (80, 1068475), (100, 854780), (125, 683824), (158, 541000), (200, 427390), (250, 341912), (316, 270500), (395, 216400), (400, 213695), (500, 170956), (541, 158000), (632, 135250), (790, 108200), (1000, 85478), (1082, 79000), (1264, 67625), (1580, 54100), (1975, 43280), (2000, 42739), (2164, 39500), (2705, 31600), (3160, 27050), (3950, 21640), (4328, 19750), (5410, 15800), (6320, 13525), (7900, 10820), (8656, 9875)]