25399504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6427}}^1$

素因数の和:6467

約数の個数: 40

約数和(自身を含む): 55795040

約数和(自身を除く): 30395536

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6427, 12854, 25708, 51416, 83551, 102832, 122113, 167102, 244226, 334204, 488452, 668408, 976904, 1336816, 1587469, 1953808, 3174938, 6349876, 12699752, 25399504]

約数ペア:

[(1, 25399504), (2, 12699752), (4, 6349876), (8, 3174938), (13, 1953808), (16, 1587469), (19, 1336816), (26, 976904), (38, 668408), (52, 488452), (76, 334204), (104, 244226), (152, 167102), (208, 122113), (247, 102832), (304, 83551), (494, 51416), (988, 25708), (1976, 12854), (3952, 6427)]