81308825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5323}}^1$

素因数の和:5393

約数の個数: 24

約数和(自身を含む): 110909568

約数和(自身を除く): 29600743

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 5323, 15275, 26615, 69199, 133075, 250181, 345995, 1250905, 1729975, 3252353, 6254525, 16261765, 81308825]

約数ペア:

[(1, 81308825), (5, 16261765), (13, 6254525), (25, 3252353), (47, 1729975), (65, 1250905), (235, 345995), (325, 250181), (611, 133075), (1175, 69199), (3055, 26615), (5323, 15275)]