13260425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 17858232

約数和(自身を除く): 4597807

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 761, 1025, 3485, 3805, 12937, 17425, 19025, 31201, 64685, 156005, 323425, 530417, 780025, 2652085, 13260425]

約数ペア:

[(1, 13260425), (5, 2652085), (17, 780025), (25, 530417), (41, 323425), (85, 156005), (205, 64685), (425, 31201), (697, 19025), (761, 17425), (1025, 12937), (3485, 3805)]