81066400

素因数分解:

$2^5\times 5^2\times {\mathrm{101333}}^1$

素因数の和:101353

約数の個数: 36

約数和(自身を含む): 197905302

約数和(自身を除く): 116838902

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 101333, 202666, 405332, 506665, 810664, 1013330, 1621328, 2026660, 2533325, 3242656, 4053320, 5066650, 8106640, 10133300, 16213280, 20266600, 40533200, 81066400]

約数ペア:

[(1, 81066400), (2, 40533200), (4, 20266600), (5, 16213280), (8, 10133300), (10, 8106640), (16, 5066650), (20, 4053320), (25, 3242656), (32, 2533325), (40, 2026660), (50, 1621328), (80, 1013330), (100, 810664), (160, 506665), (200, 405332), (400, 202666), (800, 101333)]