40018740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{666979}}^1$

素因数の和:666991

約数の個数: 24

約数和(自身を含む): 112052640

約数和(自身を除く): 72033900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 666979, 1333958, 2000937, 2667916, 3334895, 4001874, 6669790, 8003748, 10004685, 13339580, 20009370, 40018740]

約数ペア:

[(1, 40018740), (2, 20009370), (3, 13339580), (4, 10004685), (5, 8003748), (6, 6669790), (10, 4001874), (12, 3334895), (15, 2667916), (20, 2000937), (30, 1333958), (60, 666979)]