40575160

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3947}}^1$

素因数の和:4215

約数の個数: 32

約数和(自身を含む): 91672560

約数和(自身を除く): 51097400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 3947, 5140, 7894, 10280, 15788, 19735, 31576, 39470, 78940, 157880, 1014379, 2028758, 4057516, 5071895, 8115032, 10143790, 20287580, 40575160]

約数ペア:

[(1, 40575160), (2, 20287580), (4, 10143790), (5, 8115032), (8, 5071895), (10, 4057516), (20, 2028758), (40, 1014379), (257, 157880), (514, 78940), (1028, 39470), (1285, 31576), (2056, 19735), (2570, 15788), (3947, 10280), (5140, 7894)]