10921640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1993}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 24765480

約数和(自身を除く): 13843840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1993, 2740, 3986, 5480, 7972, 9965, 15944, 19930, 39860, 79720, 273041, 546082, 1092164, 1365205, 2184328, 2730410, 5460820, 10921640]

約数ペア:

[(1, 10921640), (2, 5460820), (4, 2730410), (5, 2184328), (8, 1365205), (10, 1092164), (20, 546082), (40, 273041), (137, 79720), (274, 39860), (548, 19930), (685, 15944), (1096, 9965), (1370, 7972), (1993, 5480), (2740, 3986)]