39966540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{666109}}^1$

素因数の和:666121

約数の個数: 24

約数和(自身を含む): 111906480

約数和(自身を除く): 71939940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 666109, 1332218, 1998327, 2664436, 3330545, 3996654, 6661090, 7993308, 9991635, 13322180, 19983270, 39966540]

約数ペア:

[(1, 39966540), (2, 19983270), (3, 13322180), (4, 9991635), (5, 7993308), (6, 6661090), (10, 3996654), (12, 3330545), (15, 2664436), (20, 1998327), (30, 1332218), (60, 666109)]