200040640

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 112

約数和(自身を含む): 496702080

約数和(自身を除く): 296661440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 79, 80, 82, 158, 160, 164, 193, 205, 316, 320, 328, 386, 395, 410, 632, 656, 772, 790, 820, 965, 1264, 1312, 1544, 1580, 1640, 1930, 2528, 2624, 3088, 3160, 3239, 3280, 3860, 5056, 6176, 6320, 6478, 6560, 7720, 7913, 12352, 12640, 12956, 13120, 15247, 15440, 15826, 16195, 25280, 25912, 30494, 30880, 31652, 32390, 39565, 51824, 60988, 61760, 63304, 64780, 76235, 79130, 103648, 121976, 126608, 129560, 152470, 158260, 207296, 243952, 253216, 259120, 304940, 316520, 487904, 506432, 518240, 609880, 625127, 633040, 975808, 1036480, 1219760, 1250254, 1266080, 2439520, 2500508, 2532160, 3125635, 4879040, 5001016, 6251270, 10002032, 12502540, 20004064, 25005080, 40008128, 50010160, 100020320, 200040640]

約数ペア:

[(1, 200040640), (2, 100020320), (4, 50010160), (5, 40008128), (8, 25005080), (10, 20004064), (16, 12502540), (20, 10002032), (32, 6251270), (40, 5001016), (41, 4879040), (64, 3125635), (79, 2532160), (80, 2500508), (82, 2439520), (158, 1266080), (160, 1250254), (164, 1219760), (193, 1036480), (205, 975808), (316, 633040), (320, 625127), (328, 609880), (386, 518240), (395, 506432), (410, 487904), (632, 316520), (656, 304940), (772, 259120), (790, 253216), (820, 243952), (965, 207296), (1264, 158260), (1312, 152470), (1544, 129560), (1580, 126608), (1640, 121976), (1930, 103648), (2528, 79130), (2624, 76235), (3088, 64780), (3160, 63304), (3239, 61760), (3280, 60988), (3860, 51824), (5056, 39565), (6176, 32390), (6320, 31652), (6478, 30880), (6560, 30494), (7720, 25912), (7913, 25280), (12352, 16195), (12640, 15826), (12956, 15440), (13120, 15247)]