39986660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 100638720

約数和(自身を除く): 60652060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 59, 70, 94, 103, 118, 140, 188, 206, 235, 236, 295, 329, 412, 413, 470, 515, 590, 658, 721, 826, 940, 1030, 1180, 1316, 1442, 1645, 1652, 2060, 2065, 2773, 2884, 3290, 3605, 4130, 4841, 5546, 6077, 6580, 7210, 8260, 9682, 11092, 12154, 13865, 14420, 19364, 19411, 24205, 24308, 27730, 30385, 33887, 38822, 42539, 48410, 55460, 60770, 67774, 77644, 85078, 96820, 97055, 121540, 135548, 169435, 170156, 194110, 212695, 285619, 338870, 388220, 425390, 571238, 677740, 850780, 1142476, 1428095, 1999333, 2856190, 3998666, 5712380, 7997332, 9996665, 19993330, 39986660]

約数ペア:

[(1, 39986660), (2, 19993330), (4, 9996665), (5, 7997332), (7, 5712380), (10, 3998666), (14, 2856190), (20, 1999333), (28, 1428095), (35, 1142476), (47, 850780), (59, 677740), (70, 571238), (94, 425390), (103, 388220), (118, 338870), (140, 285619), (188, 212695), (206, 194110), (235, 170156), (236, 169435), (295, 135548), (329, 121540), (412, 97055), (413, 96820), (470, 85078), (515, 77644), (590, 67774), (658, 60770), (721, 55460), (826, 48410), (940, 42539), (1030, 38822), (1180, 33887), (1316, 30385), (1442, 27730), (1645, 24308), (1652, 24205), (2060, 19411), (2065, 19364), (2773, 14420), (2884, 13865), (3290, 12154), (3605, 11092), (4130, 9682), (4841, 8260), (5546, 7210), (6077, 6580)]