40204980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223361}}^1$

素因数の和:223376

約数の個数: 36

約数和(自身を含む): 121955652

約数和(自身を除く): 81750672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223361, 446722, 670083, 893444, 1116805, 1340166, 2010249, 2233610, 2680332, 3350415, 4020498, 4467220, 6700830, 8040996, 10051245, 13401660, 20102490, 40204980]

約数ペア:

[(1, 40204980), (2, 20102490), (3, 13401660), (4, 10051245), (5, 8040996), (6, 6700830), (9, 4467220), (10, 4020498), (12, 3350415), (15, 2680332), (18, 2233610), (20, 2010249), (30, 1340166), (36, 1116805), (45, 893444), (60, 670083), (90, 446722), (180, 223361)]