25320395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 33784128

約数和(自身を除く): 8463733

約数列:

[1, 5, 17, 37, 83, 85, 97, 185, 415, 485, 629, 1411, 1649, 3071, 3145, 3589, 7055, 8051, 8245, 15355, 17945, 40255, 52207, 61013, 136867, 261035, 297887, 305065, 684335, 1489435, 5064079, 25320395]

約数ペア:

[(1, 25320395), (5, 5064079), (17, 1489435), (37, 684335), (83, 305065), (85, 297887), (97, 261035), (185, 136867), (415, 61013), (485, 52207), (629, 40255), (1411, 17945), (1649, 15355), (3071, 8245), (3145, 8051), (3589, 7055)]