40981640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 112320000

約数和(自身を除く): 71338360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 103, 116, 140, 145, 196, 203, 206, 232, 245, 280, 290, 343, 392, 406, 412, 490, 515, 580, 686, 721, 812, 824, 980, 1015, 1030, 1160, 1372, 1421, 1442, 1624, 1715, 1960, 2030, 2060, 2744, 2842, 2884, 2987, 3430, 3605, 4060, 4120, 5047, 5684, 5768, 5974, 6860, 7105, 7210, 8120, 9947, 10094, 11368, 11948, 13720, 14210, 14420, 14935, 19894, 20188, 20909, 23896, 25235, 28420, 28840, 29870, 35329, 39788, 40376, 41818, 49735, 50470, 56840, 59740, 70658, 79576, 83636, 99470, 100940, 104545, 119480, 141316, 146363, 167272, 176645, 198940, 201880, 209090, 282632, 292726, 353290, 397880, 418180, 585452, 706580, 731815, 836360, 1024541, 1170904, 1413160, 1463630, 2049082, 2927260, 4098164, 5122705, 5854520, 8196328, 10245410, 20490820, 40981640]

約数ペア:

[(1, 40981640), (2, 20490820), (4, 10245410), (5, 8196328), (7, 5854520), (8, 5122705), (10, 4098164), (14, 2927260), (20, 2049082), (28, 1463630), (29, 1413160), (35, 1170904), (40, 1024541), (49, 836360), (56, 731815), (58, 706580), (70, 585452), (98, 418180), (103, 397880), (116, 353290), (140, 292726), (145, 282632), (196, 209090), (203, 201880), (206, 198940), (232, 176645), (245, 167272), (280, 146363), (290, 141316), (343, 119480), (392, 104545), (406, 100940), (412, 99470), (490, 83636), (515, 79576), (580, 70658), (686, 59740), (721, 56840), (812, 50470), (824, 49735), (980, 41818), (1015, 40376), (1030, 39788), (1160, 35329), (1372, 29870), (1421, 28840), (1442, 28420), (1624, 25235), (1715, 23896), (1960, 20909), (2030, 20188), (2060, 19894), (2744, 14935), (2842, 14420), (2884, 14210), (2987, 13720), (3430, 11948), (3605, 11368), (4060, 10094), (4120, 9947), (5047, 8120), (5684, 7210), (5768, 7105), (5974, 6860)]