51717200

素因数分解:

$2^4\times 5^2\times {\mathrm{129293}}^1$

素因数の和:129311

約数の個数: 30

約数和(自身を含む): 124251534

約数和(自身を除く): 72534334

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129293, 258586, 517172, 646465, 1034344, 1292930, 2068688, 2585860, 3232325, 5171720, 6464650, 10343440, 12929300, 25858600, 51717200]

約数ペア:

[(1, 51717200), (2, 25858600), (4, 12929300), (5, 10343440), (8, 6464650), (10, 5171720), (16, 3232325), (20, 2585860), (25, 2068688), (40, 1292930), (50, 1034344), (80, 646465), (100, 517172), (200, 258586), (400, 129293)]