8155291280

素因数分解:

$2^4\times 5^1\times {\mathrm{101941141}}^1$

素因数の和:101941154

約数の個数: 20

約数和(自身を含む): 18961052412

約数和(自身を除く): 10805761132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101941141, 203882282, 407764564, 509705705, 815529128, 1019411410, 1631058256, 2038822820, 4077645640, 8155291280]

約数ペア:

[(1, 8155291280), (2, 4077645640), (4, 2038822820), (5, 1631058256), (8, 1019411410), (10, 815529128), (16, 509705705), (20, 407764564), (40, 203882282), (80, 101941141)]