85236629680

素因数分解:

$2^4\times 5^1\times {\mathrm{1065457871}}^1$

素因数の和:1065457884

約数の個数: 20

約数和(自身を含む): 198175164192

約数和(自身を除く): 112938534512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1065457871, 2130915742, 4261831484, 5327289355, 8523662968, 10654578710, 17047325936, 21309157420, 42618314840, 85236629680]

約数ペア:

[(1, 85236629680), (2, 42618314840), (4, 21309157420), (5, 17047325936), (8, 10654578710), (10, 8523662968), (16, 5327289355), (20, 4261831484), (40, 2130915742), (80, 1065457871)]