205815410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{8269}}^1$

素因数の和:8426

約数の個数: 32

約数和(自身を含む): 392990400

約数和(自身を除く): 187174990

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 655, 1310, 2489, 4978, 8269, 12445, 16538, 24890, 41345, 82690, 157111, 314222, 785555, 1083239, 1571110, 2166478, 5416195, 10832390, 20581541, 41163082, 102907705, 205815410]

約数ペア:

[(1, 205815410), (2, 102907705), (5, 41163082), (10, 20581541), (19, 10832390), (38, 5416195), (95, 2166478), (131, 1571110), (190, 1083239), (262, 785555), (655, 314222), (1310, 157111), (2489, 82690), (4978, 41345), (8269, 24890), (12445, 16538)]