31915540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{30109}}^1$

素因数の和:30171

約数の個数: 24

約数和(自身を含む): 68289480

約数和(自身を除く): 36373940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 30109, 60218, 120436, 150545, 301090, 602180, 1595777, 3191554, 6383108, 7978885, 15957770, 31915540]

約数ペア:

[(1, 31915540), (2, 15957770), (4, 7978885), (5, 6383108), (10, 3191554), (20, 1595777), (53, 602180), (106, 301090), (212, 150545), (265, 120436), (530, 60218), (1060, 30109)]