128246840

素因数分解:

$2^3\times 5^1\times {\mathrm{3206171}}^1$

素因数の和:3206182

約数の個数: 16

約数和(自身を含む): 288555480

約数和(自身を除く): 160308640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3206171, 6412342, 12824684, 16030855, 25649368, 32061710, 64123420, 128246840]

約数ペア:

[(1, 128246840), (2, 64123420), (4, 32061710), (5, 25649368), (8, 16030855), (10, 12824684), (20, 6412342), (40, 3206171)]