80704688

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{10273}}^1$

素因数の和:10772

約数の個数: 20

約数和(自身を含む): 156699048

約数和(自身を除く): 75994360

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 10273, 20546, 41092, 82184, 164368, 5044043, 10088086, 20176172, 40352344, 80704688]

約数ペア:

[(1, 80704688), (2, 40352344), (4, 20176172), (8, 10088086), (16, 5044043), (491, 164368), (982, 82184), (1964, 41092), (3928, 20546), (7856, 10273)]