25195280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28631}}^1$

素因数の和:28655

約数の個数: 40

約数和(自身を含む): 63906624

約数和(自身を除く): 38711344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28631, 57262, 114524, 143155, 229048, 286310, 314941, 458096, 572620, 629882, 1145240, 1259764, 1574705, 2290480, 2519528, 3149410, 5039056, 6298820, 12597640, 25195280]

約数ペア:

[(1, 25195280), (2, 12597640), (4, 6298820), (5, 5039056), (8, 3149410), (10, 2519528), (11, 2290480), (16, 1574705), (20, 1259764), (22, 1145240), (40, 629882), (44, 572620), (55, 458096), (80, 314941), (88, 286310), (110, 229048), (176, 143155), (220, 114524), (440, 57262), (880, 28631)]