85197920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 211196160

約数和(自身を除く): 125998240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 124, 155, 160, 178, 193, 248, 310, 356, 386, 445, 496, 620, 712, 772, 890, 965, 992, 1240, 1424, 1544, 1780, 1930, 2480, 2759, 2848, 3088, 3560, 3860, 4960, 5518, 5983, 6176, 7120, 7720, 11036, 11966, 13795, 14240, 15440, 17177, 22072, 23932, 27590, 29915, 30880, 34354, 44144, 47864, 55180, 59830, 68708, 85885, 88288, 95728, 110360, 119660, 137416, 171770, 191456, 220720, 239320, 274832, 343540, 441440, 478640, 532487, 549664, 687080, 957280, 1064974, 1374160, 2129948, 2662435, 2748320, 4259896, 5324870, 8519792, 10649740, 17039584, 21299480, 42598960, 85197920]

約数ペア:

[(1, 85197920), (2, 42598960), (4, 21299480), (5, 17039584), (8, 10649740), (10, 8519792), (16, 5324870), (20, 4259896), (31, 2748320), (32, 2662435), (40, 2129948), (62, 1374160), (80, 1064974), (89, 957280), (124, 687080), (155, 549664), (160, 532487), (178, 478640), (193, 441440), (248, 343540), (310, 274832), (356, 239320), (386, 220720), (445, 191456), (496, 171770), (620, 137416), (712, 119660), (772, 110360), (890, 95728), (965, 88288), (992, 85885), (1240, 68708), (1424, 59830), (1544, 55180), (1780, 47864), (1930, 44144), (2480, 34354), (2759, 30880), (2848, 29915), (3088, 27590), (3560, 23932), (3860, 22072), (4960, 17177), (5518, 15440), (5983, 14240), (6176, 13795), (7120, 11966), (7720, 11036)]