40291568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{81233}}^1$

素因数の和:81272

約数の個数: 20

約数和(自身を含む): 80584128

約数和(自身を除く): 40292560

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 81233, 162466, 324932, 649864, 1299728, 2518223, 5036446, 10072892, 20145784, 40291568]

約数ペア:

[(1, 40291568), (2, 20145784), (4, 10072892), (8, 5036446), (16, 2518223), (31, 1299728), (62, 649864), (124, 324932), (248, 162466), (496, 81233)]