171411280

素因数分解:

$2^4\times 5^1\times {\mathrm{2142641}}^1$

素因数の和:2142654

約数の個数: 20

約数和(自身を含む): 398531412

約数和(自身を除く): 227120132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2142641, 4285282, 8570564, 10713205, 17141128, 21426410, 34282256, 42852820, 85705640, 171411280]

約数ペア:

[(1, 171411280), (2, 85705640), (4, 42852820), (5, 34282256), (8, 21426410), (10, 17141128), (16, 10713205), (20, 8570564), (40, 4285282), (80, 2142641)]