243451280

素因数分解:

$2^4\times 5^1\times {\mathrm{3043141}}^1$

素因数の和:3043154

約数の個数: 20

約数和(自身を含む): 566024412

約数和(自身を除く): 322573132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3043141, 6086282, 12172564, 15215705, 24345128, 30431410, 48690256, 60862820, 121725640, 243451280]

約数ペア:

[(1, 243451280), (2, 121725640), (4, 60862820), (5, 48690256), (8, 30431410), (10, 24345128), (16, 15215705), (20, 12172564), (40, 6086282), (80, 3043141)]