8129825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 12213504

約数和(自身を除く): 4083679

約数列:

[1, 5, 11, 17, 25, 37, 47, 55, 85, 185, 187, 235, 275, 407, 425, 517, 629, 799, 925, 935, 1175, 1739, 2035, 2585, 3145, 3995, 4675, 6919, 8695, 8789, 10175, 12925, 15725, 19129, 19975, 29563, 34595, 43475, 43945, 95645, 147815, 172975, 219725, 325193, 478225, 739075, 1625965, 8129825]

約数ペア:

[(1, 8129825), (5, 1625965), (11, 739075), (17, 478225), (25, 325193), (37, 219725), (47, 172975), (55, 147815), (85, 95645), (185, 43945), (187, 43475), (235, 34595), (275, 29563), (407, 19975), (425, 19129), (517, 15725), (629, 12925), (799, 10175), (925, 8789), (935, 8695), (1175, 6919), (1739, 4675), (2035, 3995), (2585, 3145)]