40157648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80963}}^1$

素因数の和:81002

約数の個数: 20

約数和(自身を含む): 80316288

約数和(自身を除く): 40158640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80963, 161926, 323852, 647704, 1295408, 2509853, 5019706, 10039412, 20078824, 40157648]

約数ペア:

[(1, 40157648), (2, 20078824), (4, 10039412), (8, 5019706), (16, 2509853), (31, 1295408), (62, 647704), (124, 323852), (248, 161926), (496, 80963)]