30255560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7489}}^1$

素因数の和:7601

約数の個数: 32

約数和(自身を含む): 68758200

約数和(自身を除く): 38502640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7489, 14978, 29956, 37445, 59912, 74890, 149780, 299560, 756389, 1512778, 3025556, 3781945, 6051112, 7563890, 15127780, 30255560]

約数ペア:

[(1, 30255560), (2, 15127780), (4, 7563890), (5, 6051112), (8, 3781945), (10, 3025556), (20, 1512778), (40, 756389), (101, 299560), (202, 149780), (404, 74890), (505, 59912), (808, 37445), (1010, 29956), (2020, 14978), (4040, 7489)]