2017816400

素因数分解:

$2^4\times 5^2\times {\mathrm{5044541}}^1$

素因数の和:5044559

約数の個数: 30

約数和(自身を含む): 4847804862

約数和(自身を除く): 2829988462

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5044541, 10089082, 20178164, 25222705, 40356328, 50445410, 80712656, 100890820, 126113525, 201781640, 252227050, 403563280, 504454100, 1008908200, 2017816400]

約数ペア:

[(1, 2017816400), (2, 1008908200), (4, 504454100), (5, 403563280), (8, 252227050), (10, 201781640), (16, 126113525), (20, 100890820), (25, 80712656), (40, 50445410), (50, 40356328), (80, 25222705), (100, 20178164), (200, 10089082), (400, 5044541)]