39917920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1280

約数の個数: 96

約数和(自身を含む): 111585600

約数和(自身を除く): 71667680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1229, 1624, 2030, 2320, 2458, 3248, 4060, 4640, 4916, 6145, 6496, 8120, 8603, 9832, 12290, 16240, 17206, 19664, 24580, 32480, 34412, 35641, 39328, 43015, 49160, 68824, 71282, 86030, 98320, 137648, 142564, 172060, 178205, 196640, 249487, 275296, 285128, 344120, 356410, 498974, 570256, 688240, 712820, 997948, 1140512, 1247435, 1376480, 1425640, 1995896, 2494870, 2851280, 3991792, 4989740, 5702560, 7983584, 9979480, 19958960, 39917920]

約数ペア:

[(1, 39917920), (2, 19958960), (4, 9979480), (5, 7983584), (7, 5702560), (8, 4989740), (10, 3991792), (14, 2851280), (16, 2494870), (20, 1995896), (28, 1425640), (29, 1376480), (32, 1247435), (35, 1140512), (40, 997948), (56, 712820), (58, 688240), (70, 570256), (80, 498974), (112, 356410), (116, 344120), (140, 285128), (145, 275296), (160, 249487), (203, 196640), (224, 178205), (232, 172060), (280, 142564), (290, 137648), (406, 98320), (464, 86030), (560, 71282), (580, 68824), (812, 49160), (928, 43015), (1015, 39328), (1120, 35641), (1160, 34412), (1229, 32480), (1624, 24580), (2030, 19664), (2320, 17206), (2458, 16240), (3248, 12290), (4060, 9832), (4640, 8603), (4916, 8120), (6145, 6496)]