2543602280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{11321}}^1$

素因数の和:11510

約数の個数: 64

約数和(自身を含む): 5906008080

約数和(自身を除く): 3362405800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 328, 410, 548, 685, 820, 1096, 1370, 1640, 2740, 5480, 5617, 11234, 11321, 22468, 22642, 28085, 44936, 45284, 56170, 56605, 90568, 112340, 113210, 224680, 226420, 452840, 464161, 928322, 1550977, 1856644, 2320805, 3101954, 3713288, 4641610, 6203908, 7754885, 9283220, 12407816, 15509770, 18566440, 31019540, 62039080, 63590057, 127180114, 254360228, 317950285, 508720456, 635900570, 1271801140, 2543602280]

約数ペア:

[(1, 2543602280), (2, 1271801140), (4, 635900570), (5, 508720456), (8, 317950285), (10, 254360228), (20, 127180114), (40, 63590057), (41, 62039080), (82, 31019540), (137, 18566440), (164, 15509770), (205, 12407816), (274, 9283220), (328, 7754885), (410, 6203908), (548, 4641610), (685, 3713288), (820, 3101954), (1096, 2320805), (1370, 1856644), (1640, 1550977), (2740, 928322), (5480, 464161), (5617, 452840), (11234, 226420), (11321, 224680), (22468, 113210), (22642, 112340), (28085, 90568), (44936, 56605), (45284, 56170)]