12887840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 35852544

約数和(自身を除く): 22964704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 311, 370, 518, 560, 592, 622, 740, 1036, 1120, 1184, 1244, 1295, 1480, 1555, 2072, 2177, 2488, 2590, 2960, 3110, 4144, 4354, 4976, 5180, 5920, 6220, 8288, 8708, 9952, 10360, 10885, 11507, 12440, 17416, 20720, 21770, 23014, 24880, 34832, 41440, 43540, 46028, 49760, 57535, 69664, 80549, 87080, 92056, 115070, 161098, 174160, 184112, 230140, 322196, 348320, 368224, 402745, 460280, 644392, 805490, 920560, 1288784, 1610980, 1841120, 2577568, 3221960, 6443920, 12887840]

約数ペア:

[(1, 12887840), (2, 6443920), (4, 3221960), (5, 2577568), (7, 1841120), (8, 1610980), (10, 1288784), (14, 920560), (16, 805490), (20, 644392), (28, 460280), (32, 402745), (35, 368224), (37, 348320), (40, 322196), (56, 230140), (70, 184112), (74, 174160), (80, 161098), (112, 115070), (140, 92056), (148, 87080), (160, 80549), (185, 69664), (224, 57535), (259, 49760), (280, 46028), (296, 43540), (311, 41440), (370, 34832), (518, 24880), (560, 23014), (592, 21770), (622, 20720), (740, 17416), (1036, 12440), (1120, 11507), (1184, 10885), (1244, 10360), (1295, 9952), (1480, 8708), (1555, 8288), (2072, 6220), (2177, 5920), (2488, 5180), (2590, 4976), (2960, 4354), (3110, 4144)]