25674225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 45830400

約数和(自身を除く): 20156175

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 419, 475, 645, 817, 1075, 1257, 1425, 2095, 2451, 3225, 4085, 6285, 7961, 10475, 12255, 18017, 20425, 23883, 31425, 39805, 54051, 61275, 90085, 119415, 199025, 270255, 342323, 450425, 597075, 1026969, 1351275, 1711615, 5134845, 8558075, 25674225]

約数ペア:

[(1, 25674225), (3, 8558075), (5, 5134845), (15, 1711615), (19, 1351275), (25, 1026969), (43, 597075), (57, 450425), (75, 342323), (95, 270255), (129, 199025), (215, 119415), (285, 90085), (419, 61275), (475, 54051), (645, 39805), (817, 31425), (1075, 23883), (1257, 20425), (1425, 18017), (2095, 12255), (2451, 10475), (3225, 7961), (4085, 6285)]