79339280

素因数分解:

$2^4\times 5^1\times {\mathrm{991741}}^1$

素因数の和:991754

約数の個数: 20

約数和(自身を含む): 184464012

約数和(自身を除く): 105124732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991741, 1983482, 3966964, 4958705, 7933928, 9917410, 15867856, 19834820, 39669640, 79339280]

約数ペア:

[(1, 79339280), (2, 39669640), (4, 19834820), (5, 15867856), (8, 9917410), (10, 7933928), (16, 4958705), (20, 3966964), (40, 1983482), (80, 991741)]