15408920

素因数分解:

$2^3\times 5^1\times {\mathrm{385223}}^1$

素因数の和:385234

約数の個数: 16

約数和(自身を含む): 34670160

約数和(自身を除く): 19261240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 385223, 770446, 1540892, 1926115, 3081784, 3852230, 7704460, 15408920]

約数ペア:

[(1, 15408920), (2, 7704460), (4, 3852230), (5, 3081784), (8, 1926115), (10, 1540892), (20, 770446), (40, 385223)]