40411264

素因数分解:

$2^7\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 80796240

約数和(自身を除く): 40384976

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 491, 643, 982, 1286, 1964, 2572, 3928, 5144, 7856, 10288, 15712, 20576, 31424, 41152, 62848, 82304, 315713, 631426, 1262852, 2525704, 5051408, 10102816, 20205632, 40411264]

約数ペア:

[(1, 40411264), (2, 20205632), (4, 10102816), (8, 5051408), (16, 2525704), (32, 1262852), (64, 631426), (128, 315713), (491, 82304), (643, 62848), (982, 41152), (1286, 31424), (1964, 20576), (2572, 15712), (3928, 10288), (5144, 7856)]