8641700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:956

約数の個数: 36

約数和(自身を含む): 18957120

約数和(自身を除く): 10315420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 839, 1030, 1678, 2060, 2575, 3356, 4195, 5150, 8390, 10300, 16780, 20975, 41950, 83900, 86417, 172834, 345668, 432085, 864170, 1728340, 2160425, 4320850, 8641700]

約数ペア:

[(1, 8641700), (2, 4320850), (4, 2160425), (5, 1728340), (10, 864170), (20, 432085), (25, 345668), (50, 172834), (100, 86417), (103, 83900), (206, 41950), (412, 20975), (515, 16780), (839, 10300), (1030, 8390), (1678, 5150), (2060, 4195), (2575, 3356)]