91564280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{12647}}^1$

素因数の和:12839

約数の個数: 32

約数和(自身を含む): 207174240

約数和(自身を除く): 115609960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 12647, 25294, 50588, 63235, 101176, 126470, 252940, 505880, 2289107, 4578214, 9156428, 11445535, 18312856, 22891070, 45782140, 91564280]

約数ペア:

[(1, 91564280), (2, 45782140), (4, 22891070), (5, 18312856), (8, 11445535), (10, 9156428), (20, 4578214), (40, 2289107), (181, 505880), (362, 252940), (724, 126470), (905, 101176), (1448, 63235), (1810, 50588), (3620, 25294), (7240, 12647)]