157216240

素因数分解:

$2^4\times 5^1\times {\mathrm{1965203}}^1$

素因数の和:1965216

約数の個数: 20

約数和(自身を含む): 365527944

約数和(自身を除く): 208311704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1965203, 3930406, 7860812, 9826015, 15721624, 19652030, 31443248, 39304060, 78608120, 157216240]

約数ペア:

[(1, 157216240), (2, 78608120), (4, 39304060), (5, 31443248), (8, 19652030), (10, 15721624), (16, 9826015), (20, 7860812), (40, 3930406), (80, 1965203)]