131220025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1091}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 173051424

約数和(自身を除く): 41831399

約数列:

[1, 5, 17, 25, 85, 283, 425, 1091, 1415, 4811, 5455, 7075, 18547, 24055, 27275, 92735, 120275, 308753, 463675, 1543765, 5248801, 7718825, 26244005, 131220025]

約数ペア:

[(1, 131220025), (5, 26244005), (17, 7718825), (25, 5248801), (85, 1543765), (283, 463675), (425, 308753), (1091, 120275), (1415, 92735), (4811, 27275), (5455, 24055), (7075, 18547)]