25400830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 57028608

約数和(自身を除く): 31627778

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 103, 130, 182, 206, 271, 455, 515, 542, 721, 910, 1030, 1339, 1355, 1442, 1897, 2678, 2710, 3523, 3605, 3794, 6695, 7046, 7210, 9373, 9485, 13390, 17615, 18746, 18970, 24661, 27913, 35230, 46865, 49322, 55826, 93730, 123305, 139565, 195391, 246610, 279130, 362869, 390782, 725738, 976955, 1814345, 1953910, 2540083, 3628690, 5080166, 12700415, 25400830]

約数ペア:

[(1, 25400830), (2, 12700415), (5, 5080166), (7, 3628690), (10, 2540083), (13, 1953910), (14, 1814345), (26, 976955), (35, 725738), (65, 390782), (70, 362869), (91, 279130), (103, 246610), (130, 195391), (182, 139565), (206, 123305), (271, 93730), (455, 55826), (515, 49322), (542, 46865), (721, 35230), (910, 27913), (1030, 24661), (1339, 18970), (1355, 18746), (1442, 17615), (1897, 13390), (2678, 9485), (2710, 9373), (3523, 7210), (3605, 7046), (3794, 6695)]