63440780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244003}}^1$

素因数の和:244025

約数の個数: 24

約数和(自身を含む): 143474352

約数和(自身を除く): 80033572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 244003, 488006, 976012, 1220015, 2440030, 3172039, 4880060, 6344078, 12688156, 15860195, 31720390, 63440780]

約数ペア:

[(1, 63440780), (2, 31720390), (4, 15860195), (5, 12688156), (10, 6344078), (13, 4880060), (20, 3172039), (26, 2440030), (52, 1220015), (65, 976012), (130, 488006), (260, 244003)]