66783980

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{3011}}^1$

素因数の和:4129

約数の個数: 24

約数和(自身を含む): 140419440

約数和(自身を除く): 73635460

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 3011, 4436, 5545, 6022, 11090, 12044, 15055, 22180, 30110, 60220, 3339199, 6678398, 13356796, 16695995, 33391990, 66783980]

約数ペア:

[(1, 66783980), (2, 33391990), (4, 16695995), (5, 13356796), (10, 6678398), (20, 3339199), (1109, 60220), (2218, 30110), (3011, 22180), (4436, 15055), (5545, 12044), (6022, 11090)]