39786880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 111041280

約数和(自身を除く): 71254400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 107, 112, 128, 140, 160, 166, 214, 224, 280, 320, 332, 415, 428, 448, 535, 560, 581, 640, 664, 749, 830, 856, 896, 1070, 1120, 1162, 1328, 1498, 1660, 1712, 2140, 2240, 2324, 2656, 2905, 2996, 3320, 3424, 3745, 4280, 4480, 4648, 5312, 5810, 5992, 6640, 6848, 7490, 8560, 8881, 9296, 10624, 11620, 11984, 13280, 13696, 14980, 17120, 17762, 18592, 23240, 23968, 26560, 29960, 34240, 35524, 37184, 44405, 46480, 47936, 53120, 59920, 62167, 68480, 71048, 74368, 88810, 92960, 95872, 119840, 124334, 142096, 177620, 185920, 239680, 248668, 284192, 310835, 355240, 371840, 479360, 497336, 568384, 621670, 710480, 994672, 1136768, 1243340, 1420960, 1989344, 2486680, 2841920, 3978688, 4973360, 5683840, 7957376, 9946720, 19893440, 39786880]

約数ペア:

[(1, 39786880), (2, 19893440), (4, 9946720), (5, 7957376), (7, 5683840), (8, 4973360), (10, 3978688), (14, 2841920), (16, 2486680), (20, 1989344), (28, 1420960), (32, 1243340), (35, 1136768), (40, 994672), (56, 710480), (64, 621670), (70, 568384), (80, 497336), (83, 479360), (107, 371840), (112, 355240), (128, 310835), (140, 284192), (160, 248668), (166, 239680), (214, 185920), (224, 177620), (280, 142096), (320, 124334), (332, 119840), (415, 95872), (428, 92960), (448, 88810), (535, 74368), (560, 71048), (581, 68480), (640, 62167), (664, 59920), (749, 53120), (830, 47936), (856, 46480), (896, 44405), (1070, 37184), (1120, 35524), (1162, 34240), (1328, 29960), (1498, 26560), (1660, 23968), (1712, 23240), (2140, 18592), (2240, 17762), (2324, 17120), (2656, 14980), (2905, 13696), (2996, 13280), (3320, 11984), (3424, 11620), (3745, 10624), (4280, 9296), (4480, 8881), (4648, 8560), (5312, 7490), (5810, 6848), (5992, 6640)]