56143880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1069}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 137516400

約数和(自身を除く): 81372520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1069, 1313, 2020, 2138, 2626, 4040, 4276, 5252, 5345, 6565, 8552, 10504, 10690, 13130, 13897, 21380, 26260, 27794, 42760, 52520, 55588, 69485, 107969, 111176, 138970, 215938, 277940, 431876, 539845, 555880, 863752, 1079690, 1403597, 2159380, 2807194, 4318760, 5614388, 7017985, 11228776, 14035970, 28071940, 56143880]

約数ペア:

[(1, 56143880), (2, 28071940), (4, 14035970), (5, 11228776), (8, 7017985), (10, 5614388), (13, 4318760), (20, 2807194), (26, 2159380), (40, 1403597), (52, 1079690), (65, 863752), (101, 555880), (104, 539845), (130, 431876), (202, 277940), (260, 215938), (404, 138970), (505, 111176), (520, 107969), (808, 69485), (1010, 55588), (1069, 52520), (1313, 42760), (2020, 27794), (2138, 26260), (2626, 21380), (4040, 13897), (4276, 13130), (5252, 10690), (5345, 10504), (6565, 8552)]