31065340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 35994884

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 167, 262, 284, 334, 355, 524, 655, 668, 710, 835, 1310, 1420, 1670, 2620, 3340, 9301, 11857, 18602, 21877, 23714, 37204, 43754, 46505, 47428, 59285, 87508, 93010, 109385, 118570, 186020, 218770, 237140, 437540, 1553267, 3106534, 6213068, 7766335, 15532670, 31065340]

約数ペア:

[(1, 31065340), (2, 15532670), (4, 7766335), (5, 6213068), (10, 3106534), (20, 1553267), (71, 437540), (131, 237140), (142, 218770), (167, 186020), (262, 118570), (284, 109385), (334, 93010), (355, 87508), (524, 59285), (655, 47428), (668, 46505), (710, 43754), (835, 37204), (1310, 23714), (1420, 21877), (1670, 18602), (2620, 11857), (3340, 9301)]