26838880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 40221344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 80, 83, 86, 94, 160, 166, 172, 188, 215, 235, 332, 344, 376, 415, 430, 470, 664, 688, 752, 830, 860, 940, 1328, 1376, 1504, 1660, 1720, 1880, 2021, 2656, 3320, 3440, 3569, 3760, 3901, 4042, 6640, 6880, 7138, 7520, 7802, 8084, 10105, 13280, 14276, 15604, 16168, 17845, 19505, 20210, 28552, 31208, 32336, 35690, 39010, 40420, 57104, 62416, 64672, 71380, 78020, 80840, 114208, 124832, 142760, 156040, 161680, 167743, 285520, 312080, 323360, 335486, 571040, 624160, 670972, 838715, 1341944, 1677430, 2683888, 3354860, 5367776, 6709720, 13419440, 26838880]

約数ペア:

[(1, 26838880), (2, 13419440), (4, 6709720), (5, 5367776), (8, 3354860), (10, 2683888), (16, 1677430), (20, 1341944), (32, 838715), (40, 670972), (43, 624160), (47, 571040), (80, 335486), (83, 323360), (86, 312080), (94, 285520), (160, 167743), (166, 161680), (172, 156040), (188, 142760), (215, 124832), (235, 114208), (332, 80840), (344, 78020), (376, 71380), (415, 64672), (430, 62416), (470, 57104), (664, 40420), (688, 39010), (752, 35690), (830, 32336), (860, 31208), (940, 28552), (1328, 20210), (1376, 19505), (1504, 17845), (1660, 16168), (1720, 15604), (1880, 14276), (2021, 13280), (2656, 10105), (3320, 8084), (3440, 7802), (3569, 7520), (3760, 7138), (3901, 6880), (4042, 6640)]