40694360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 71280040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 71, 89, 92, 115, 140, 142, 161, 178, 184, 230, 280, 284, 322, 355, 356, 445, 460, 497, 568, 623, 644, 710, 712, 805, 890, 920, 994, 1246, 1288, 1420, 1610, 1633, 1780, 1988, 2047, 2485, 2492, 2840, 3115, 3220, 3266, 3560, 3976, 4094, 4970, 4984, 6230, 6319, 6440, 6532, 8165, 8188, 9940, 10235, 11431, 12460, 12638, 13064, 14329, 16330, 16376, 19880, 20470, 22862, 24920, 25276, 28658, 31595, 32660, 40940, 44233, 45724, 50552, 57155, 57316, 63190, 65320, 71645, 81880, 88466, 91448, 114310, 114632, 126380, 143290, 145337, 176932, 221165, 228620, 252760, 286580, 290674, 353864, 442330, 457240, 573160, 581348, 726685, 884660, 1017359, 1162696, 1453370, 1769320, 2034718, 2906740, 4069436, 5086795, 5813480, 8138872, 10173590, 20347180, 40694360]

約数ペア:

[(1, 40694360), (2, 20347180), (4, 10173590), (5, 8138872), (7, 5813480), (8, 5086795), (10, 4069436), (14, 2906740), (20, 2034718), (23, 1769320), (28, 1453370), (35, 1162696), (40, 1017359), (46, 884660), (56, 726685), (70, 581348), (71, 573160), (89, 457240), (92, 442330), (115, 353864), (140, 290674), (142, 286580), (161, 252760), (178, 228620), (184, 221165), (230, 176932), (280, 145337), (284, 143290), (322, 126380), (355, 114632), (356, 114310), (445, 91448), (460, 88466), (497, 81880), (568, 71645), (623, 65320), (644, 63190), (710, 57316), (712, 57155), (805, 50552), (890, 45724), (920, 44233), (994, 40940), (1246, 32660), (1288, 31595), (1420, 28658), (1610, 25276), (1633, 24920), (1780, 22862), (1988, 20470), (2047, 19880), (2485, 16376), (2492, 16330), (2840, 14329), (3115, 13064), (3220, 12638), (3266, 12460), (3560, 11431), (3976, 10235), (4094, 9940), (4970, 8188), (4984, 8165), (6230, 6532), (6319, 6440)]