25990705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 36457344

約数和(自身を除く): 10466639

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 547, 559, 731, 1105, 2735, 2795, 3655, 7111, 9299, 9503, 23521, 35555, 46495, 47515, 117605, 120887, 305773, 399857, 604435, 1528865, 1999285, 5198141, 25990705]

約数ペア:

[(1, 25990705), (5, 5198141), (13, 1999285), (17, 1528865), (43, 604435), (65, 399857), (85, 305773), (215, 120887), (221, 117605), (547, 47515), (559, 46495), (731, 35555), (1105, 23521), (2735, 9503), (2795, 9299), (3655, 7111)]