243690640

素因数分解:

$2^4\times 5^1\times {\mathrm{3046133}}^1$

素因数の和:3046146

約数の個数: 20

約数和(自身を含む): 566580924

約数和(自身を除く): 322890284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3046133, 6092266, 12184532, 15230665, 24369064, 30461330, 48738128, 60922660, 121845320, 243690640]

約数ペア:

[(1, 243690640), (2, 121845320), (4, 60922660), (5, 48738128), (8, 30461330), (10, 24369064), (16, 15230665), (20, 12184532), (40, 6092266), (80, 3046133)]