90672080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8273}}^1$

素因数の和:8423

約数の個数: 40

約数和(自身を含む): 212377032

約数和(自身を除く): 121704952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 8273, 10960, 16546, 33092, 41365, 66184, 82730, 132368, 165460, 330920, 661840, 1133401, 2266802, 4533604, 5667005, 9067208, 11334010, 18134416, 22668020, 45336040, 90672080]

約数ペア:

[(1, 90672080), (2, 45336040), (4, 22668020), (5, 18134416), (8, 11334010), (10, 9067208), (16, 5667005), (20, 4533604), (40, 2266802), (80, 1133401), (137, 661840), (274, 330920), (548, 165460), (685, 132368), (1096, 82730), (1370, 66184), (2192, 41365), (2740, 33092), (5480, 16546), (8273, 10960)]