39682820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 87550848

約数和(自身を除く): 47868028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 281, 307, 460, 562, 614, 1124, 1228, 1405, 1535, 2810, 3070, 5620, 6140, 6463, 7061, 12926, 14122, 25852, 28244, 32315, 35305, 64630, 70610, 86267, 129260, 141220, 172534, 345068, 431335, 862670, 1725340, 1984141, 3968282, 7936564, 9920705, 19841410, 39682820]

約数ペア:

[(1, 39682820), (2, 19841410), (4, 9920705), (5, 7936564), (10, 3968282), (20, 1984141), (23, 1725340), (46, 862670), (92, 431335), (115, 345068), (230, 172534), (281, 141220), (307, 129260), (460, 86267), (562, 70610), (614, 64630), (1124, 35305), (1228, 32315), (1405, 28244), (1535, 25852), (2810, 14122), (3070, 12926), (5620, 7061), (6140, 6463)]