64500740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 142128000

約数和(自身を除く): 77627260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 281, 460, 499, 562, 998, 1124, 1405, 1996, 2495, 2810, 4990, 5620, 6463, 9980, 11477, 12926, 22954, 25852, 32315, 45908, 57385, 64630, 114770, 129260, 140219, 229540, 280438, 560876, 701095, 1402190, 2804380, 3225037, 6450074, 12900148, 16125185, 32250370, 64500740]

約数ペア:

[(1, 64500740), (2, 32250370), (4, 16125185), (5, 12900148), (10, 6450074), (20, 3225037), (23, 2804380), (46, 1402190), (92, 701095), (115, 560876), (230, 280438), (281, 229540), (460, 140219), (499, 129260), (562, 114770), (998, 64630), (1124, 57385), (1405, 45908), (1996, 32315), (2495, 25852), (2810, 22954), (4990, 12926), (5620, 11477), (6463, 9980)]