40015928

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{19463}}^1$

素因数の和:19726

約数の個数: 16

約数和(自身を含む): 75325680

約数和(自身を除く): 35309752

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 19463, 38926, 77852, 155704, 5001991, 10003982, 20007964, 40015928]

約数ペア:

[(1, 40015928), (2, 20007964), (4, 10003982), (8, 5001991), (257, 155704), (514, 77852), (1028, 38926), (2056, 19463)]