81088675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3221}}^1$

素因数の和:3303

約数の個数: 24

約数和(自身を含む): 107872560

約数和(自身を除く): 26783885

約数列:

[1, 5, 19, 25, 53, 95, 265, 475, 1007, 1325, 3221, 5035, 16105, 25175, 61199, 80525, 170713, 305995, 853565, 1529975, 3243547, 4267825, 16217735, 81088675]

約数ペア:

[(1, 81088675), (5, 16217735), (19, 4267825), (25, 3243547), (53, 1529975), (95, 853565), (265, 305995), (475, 170713), (1007, 80525), (1325, 61199), (3221, 25175), (5035, 16105)]