1283649025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{3221}}^1$

素因数の和:4089

約数の個数: 24

約数和(自身を含む): 1678017600

約数和(自身を除く): 394368575

約数列:

[1, 5, 19, 25, 95, 475, 839, 3221, 4195, 15941, 16105, 20975, 61199, 79705, 80525, 305995, 398525, 1529975, 2702419, 13512095, 51345961, 67560475, 256729805, 1283649025]

約数ペア:

[(1, 1283649025), (5, 256729805), (19, 67560475), (25, 51345961), (95, 13512095), (475, 2702419), (839, 1529975), (3221, 398525), (4195, 305995), (15941, 80525), (16105, 79705), (20975, 61199)]