40212540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223403}}^1$

素因数の和:223418

約数の個数: 36

約数和(自身を含む): 121978584

約数和(自身を除く): 81766044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223403, 446806, 670209, 893612, 1117015, 1340418, 2010627, 2234030, 2680836, 3351045, 4021254, 4468060, 6702090, 8042508, 10053135, 13404180, 20106270, 40212540]

約数ペア:

[(1, 40212540), (2, 20106270), (3, 13404180), (4, 10053135), (5, 8042508), (6, 6702090), (9, 4468060), (10, 4021254), (12, 3351045), (15, 2680836), (18, 2234030), (20, 2010627), (30, 1340418), (36, 1117015), (45, 893612), (60, 670209), (90, 446806), (180, 223403)]