25138672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6361}}^1$

素因数の和:6401

約数の個数: 40

約数和(自身を含む): 55222160

約数和(自身を除く): 30083488

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6361, 12722, 25444, 50888, 82693, 101776, 120859, 165386, 241718, 330772, 483436, 661544, 966872, 1323088, 1571167, 1933744, 3142334, 6284668, 12569336, 25138672]

約数ペア:

[(1, 25138672), (2, 12569336), (4, 6284668), (8, 3142334), (13, 1933744), (16, 1571167), (19, 1323088), (26, 966872), (38, 661544), (52, 483436), (76, 330772), (104, 241718), (152, 165386), (208, 120859), (247, 101776), (304, 82693), (494, 50888), (988, 25444), (1976, 12722), (3952, 6361)]