87655880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1669}}^1$

素因数の和:1794

約数の個数: 64

約数和(自身を含む): 214628400

約数和(自身を除く): 126972520

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, 1313, 1669, 2020, 2626, 3338, 4040, 5252, 6565, 6676, 8345, 10504, 13130, 13352, 16690, 21697, 26260, 33380, 43394, 52520, 66760, 86788, 108485, 168569, 173576, 216970, 337138, 433940, 674276, 842845, 867880, 1348552, 1685690, 2191397, 3371380, 4382794, 6742760, 8765588, 10956985, 17531176, 21913970, 43827940, 87655880]

約数ペア:

[(1, 87655880), (2, 43827940), (4, 21913970), (5, 17531176), (8, 10956985), (10, 8765588), (13, 6742760), (20, 4382794), (26, 3371380), (40, 2191397), (52, 1685690), (65, 1348552), (101, 867880), (104, 842845), (130, 674276), (202, 433940), (260, 337138), (404, 216970), (505, 173576), (520, 168569), (808, 108485), (1010, 86788), (1313, 66760), (1669, 52520), (2020, 43394), (2626, 33380), (3338, 26260), (4040, 21697), (5252, 16690), (6565, 13352), (6676, 13130), (8345, 10504)]