15412840

素因数分解:

$2^3\times 5^1\times {\mathrm{385321}}^1$

素因数の和:385332

約数の個数: 16

約数和(自身を含む): 34678980

約数和(自身を除く): 19266140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 385321, 770642, 1541284, 1926605, 3082568, 3853210, 7706420, 15412840]

約数ペア:

[(1, 15412840), (2, 7706420), (4, 3853210), (5, 3082568), (8, 1926605), (10, 1541284), (20, 770642), (40, 385321)]