85816400

素因数分解:

$2^4\times 5^2\times {\mathrm{214541}}^1$

素因数の和:214559

約数の個数: 30

約数和(自身を含む): 206174862

約数和(自身を除く): 120358462

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 214541, 429082, 858164, 1072705, 1716328, 2145410, 3432656, 4290820, 5363525, 8581640, 10727050, 17163280, 21454100, 42908200, 85816400]

約数ペア:

[(1, 85816400), (2, 42908200), (4, 21454100), (5, 17163280), (8, 10727050), (10, 8581640), (16, 5363525), (20, 4290820), (25, 3432656), (40, 2145410), (50, 1716328), (80, 1072705), (100, 858164), (200, 429082), (400, 214541)]