31689025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 41124600

約数和(自身を除く): 9435575

約数列:

[1, 5, 25, 29, 109, 145, 401, 545, 725, 2005, 2725, 3161, 10025, 11629, 15805, 43709, 58145, 79025, 218545, 290725, 1092725, 1267561, 6337805, 31689025]

約数ペア:

[(1, 31689025), (5, 6337805), (25, 1267561), (29, 1092725), (109, 290725), (145, 218545), (401, 79025), (545, 58145), (725, 43709), (2005, 15805), (2725, 11629), (3161, 10025)]