80614660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2729}}^1$

素因数の和:2956

約数の個数: 48

約数和(自身を含む): 194463360

約数和(自身を除く): 113848700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2729, 2954, 4220, 5458, 5908, 7385, 10916, 13645, 14770, 19103, 27290, 29540, 38206, 54580, 76412, 95515, 191030, 382060, 575819, 1151638, 2303276, 2879095, 4030733, 5758190, 8061466, 11516380, 16122932, 20153665, 40307330, 80614660]

約数ペア:

[(1, 80614660), (2, 40307330), (4, 20153665), (5, 16122932), (7, 11516380), (10, 8061466), (14, 5758190), (20, 4030733), (28, 2879095), (35, 2303276), (70, 1151638), (140, 575819), (211, 382060), (422, 191030), (844, 95515), (1055, 76412), (1477, 54580), (2110, 38206), (2729, 29540), (2954, 27290), (4220, 19103), (5458, 14770), (5908, 13645), (7385, 10916)]