26981425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 36064160

約数和(自身を除く): 9082735

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 1321, 4085, 6605, 20425, 25099, 33025, 56803, 125495, 284015, 627475, 1079257, 1420075, 5396285, 26981425]

約数ペア:

[(1, 26981425), (5, 5396285), (19, 1420075), (25, 1079257), (43, 627475), (95, 284015), (215, 125495), (475, 56803), (817, 33025), (1075, 25099), (1321, 20425), (4085, 6605)]