79435280

素因数分解:

$2^4\times 5^1\times {\mathrm{992941}}^1$

素因数の和:992954

約数の個数: 20

約数和(自身を含む): 184687212

約数和(自身を除く): 105251932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 992941, 1985882, 3971764, 4964705, 7943528, 9929410, 15887056, 19858820, 39717640, 79435280]

約数ペア:

[(1, 79435280), (2, 39717640), (4, 19858820), (5, 15887056), (8, 9929410), (10, 7943528), (16, 4964705), (20, 3971764), (40, 1985882), (80, 992941)]