6890680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5599

約数の個数: 32

約数和(自身を含む): 16007040

約数和(自身を除く): 9116360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 5557, 11114, 22228, 27785, 44456, 55570, 111140, 172267, 222280, 344534, 689068, 861335, 1378136, 1722670, 3445340, 6890680]

約数ペア:

[(1, 6890680), (2, 3445340), (4, 1722670), (5, 1378136), (8, 861335), (10, 689068), (20, 344534), (31, 222280), (40, 172267), (62, 111140), (124, 55570), (155, 44456), (248, 27785), (310, 22228), (620, 11114), (1240, 5557)]