85975720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 201949200

約数和(自身を除く): 115973480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 232, 274, 290, 541, 548, 580, 685, 1082, 1096, 1160, 1370, 2164, 2705, 2740, 3973, 4328, 5410, 5480, 7946, 10820, 15689, 15892, 19865, 21640, 31378, 31784, 39730, 62756, 74117, 78445, 79460, 125512, 148234, 156890, 158920, 296468, 313780, 370585, 592936, 627560, 741170, 1482340, 2149393, 2964680, 4298786, 8597572, 10746965, 17195144, 21493930, 42987860, 85975720]

約数ペア:

[(1, 85975720), (2, 42987860), (4, 21493930), (5, 17195144), (8, 10746965), (10, 8597572), (20, 4298786), (29, 2964680), (40, 2149393), (58, 1482340), (116, 741170), (137, 627560), (145, 592936), (232, 370585), (274, 313780), (290, 296468), (541, 158920), (548, 156890), (580, 148234), (685, 125512), (1082, 79460), (1096, 78445), (1160, 74117), (1370, 62756), (2164, 39730), (2705, 31784), (2740, 31378), (3973, 21640), (4328, 19865), (5410, 15892), (5480, 15689), (7946, 10820)]