40872640

素因数分解:

$2^6\times 5^1\times {\mathrm{127727}}^1$

素因数の和:127744

約数の個数: 28

約数和(自身を含む): 97328736

約数和(自身を除く): 56456096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127727, 255454, 510908, 638635, 1021816, 1277270, 2043632, 2554540, 4087264, 5109080, 8174528, 10218160, 20436320, 40872640]

約数ペア:

[(1, 40872640), (2, 20436320), (4, 10218160), (5, 8174528), (8, 5109080), (10, 4087264), (16, 2554540), (20, 2043632), (32, 1277270), (40, 1021816), (64, 638635), (80, 510908), (160, 255454), (320, 127727)]