91148840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{16633}}^1$

素因数の和:16781

約数の個数: 32

約数和(自身を含む): 206594280

約数和(自身を除く): 115445440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 16633, 33266, 66532, 83165, 133064, 166330, 332660, 665320, 2278721, 4557442, 9114884, 11393605, 18229768, 22787210, 45574420, 91148840]

約数ペア:

[(1, 91148840), (2, 45574420), (4, 22787210), (5, 18229768), (8, 11393605), (10, 9114884), (20, 4557442), (40, 2278721), (137, 665320), (274, 332660), (548, 166330), (685, 133064), (1096, 83165), (1370, 66532), (2740, 33266), (5480, 16633)]