8684840

素因数分解:

$2^3\times 5^1\times {\mathrm{217121}}^1$

素因数の和:217132

約数の個数: 16

約数和(自身を含む): 19540980

約数和(自身を除く): 10856140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 217121, 434242, 868484, 1085605, 1736968, 2171210, 4342420, 8684840]

約数ペア:

[(1, 8684840), (2, 4342420), (4, 2171210), (5, 1736968), (8, 1085605), (10, 868484), (20, 434242), (40, 217121)]