80380640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 202396320

約数和(自身を除く): 122015680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 137, 152, 160, 190, 193, 274, 304, 380, 386, 548, 608, 685, 760, 772, 965, 1096, 1370, 1520, 1544, 1930, 2192, 2603, 2740, 3040, 3088, 3667, 3860, 4384, 5206, 5480, 6176, 7334, 7720, 10412, 10960, 13015, 14668, 15440, 18335, 20824, 21920, 26030, 26441, 29336, 30880, 36670, 41648, 52060, 52882, 58672, 73340, 83296, 104120, 105764, 117344, 132205, 146680, 208240, 211528, 264410, 293360, 416480, 423056, 502379, 528820, 586720, 846112, 1004758, 1057640, 2009516, 2115280, 2511895, 4019032, 4230560, 5023790, 8038064, 10047580, 16076128, 20095160, 40190320, 80380640]

約数ペア:

[(1, 80380640), (2, 40190320), (4, 20095160), (5, 16076128), (8, 10047580), (10, 8038064), (16, 5023790), (19, 4230560), (20, 4019032), (32, 2511895), (38, 2115280), (40, 2009516), (76, 1057640), (80, 1004758), (95, 846112), (137, 586720), (152, 528820), (160, 502379), (190, 423056), (193, 416480), (274, 293360), (304, 264410), (380, 211528), (386, 208240), (548, 146680), (608, 132205), (685, 117344), (760, 105764), (772, 104120), (965, 83296), (1096, 73340), (1370, 58672), (1520, 52882), (1544, 52060), (1930, 41648), (2192, 36670), (2603, 30880), (2740, 29336), (3040, 26441), (3088, 26030), (3667, 21920), (3860, 20824), (4384, 18335), (5206, 15440), (5480, 14668), (6176, 13015), (7334, 10960), (7720, 10412)]