39895980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{664933}}^1$

素因数の和:664945

約数の個数: 24

約数和(自身を含む): 111708912

約数和(自身を除く): 71812932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 664933, 1329866, 1994799, 2659732, 3324665, 3989598, 6649330, 7979196, 9973995, 13298660, 19947990, 39895980]

約数ペア:

[(1, 39895980), (2, 19947990), (3, 13298660), (4, 9973995), (5, 7979196), (6, 6649330), (10, 3989598), (12, 3324665), (15, 2659732), (20, 1994799), (30, 1329866), (60, 664933)]