154303280

素因数分解:

$2^4\times 5^1\times {\mathrm{1928791}}^1$

素因数の和:1928804

約数の個数: 20

約数和(自身を含む): 358755312

約数和(自身を除く): 204452032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1928791, 3857582, 7715164, 9643955, 15430328, 19287910, 30860656, 38575820, 77151640, 154303280]

約数ペア:

[(1, 154303280), (2, 77151640), (4, 38575820), (5, 30860656), (8, 19287910), (10, 15430328), (16, 9643955), (20, 7715164), (40, 3857582), (80, 1928791)]