80249540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30169}}^1$

素因数の和:30204

約数の個数: 48

約数和(自身を含む): 202742400

約数和(自身を除く): 122492860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 30169, 60338, 120676, 150845, 211183, 301690, 422366, 573211, 603380, 844732, 1055915, 1146422, 2111830, 2292844, 2866055, 4012477, 4223660, 5732110, 8024954, 11464220, 16049908, 20062385, 40124770, 80249540]

約数ペア:

[(1, 80249540), (2, 40124770), (4, 20062385), (5, 16049908), (7, 11464220), (10, 8024954), (14, 5732110), (19, 4223660), (20, 4012477), (28, 2866055), (35, 2292844), (38, 2111830), (70, 1146422), (76, 1055915), (95, 844732), (133, 603380), (140, 573211), (190, 422366), (266, 301690), (380, 211183), (532, 150845), (665, 120676), (1330, 60338), (2660, 30169)]