25347425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 36336960

約数和(自身を除く): 10989535

約数列:

[1, 5, 17, 19, 25, 43, 73, 85, 95, 215, 323, 365, 425, 475, 731, 817, 1075, 1241, 1387, 1615, 1825, 3139, 3655, 4085, 6205, 6935, 8075, 13889, 15695, 18275, 20425, 23579, 31025, 34675, 53363, 59641, 69445, 78475, 117895, 266815, 298205, 347225, 589475, 1013897, 1334075, 1491025, 5069485, 25347425]

約数ペア:

[(1, 25347425), (5, 5069485), (17, 1491025), (19, 1334075), (25, 1013897), (43, 589475), (73, 347225), (85, 298205), (95, 266815), (215, 117895), (323, 78475), (365, 69445), (425, 59641), (475, 53363), (731, 34675), (817, 31025), (1075, 23579), (1241, 20425), (1387, 18275), (1615, 15695), (1825, 13889), (3139, 8075), (3655, 6935), (4085, 6205)]