25208105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 9386455

約数列:

[1, 5, 13, 29, 43, 65, 145, 215, 311, 377, 559, 1247, 1555, 1885, 2795, 4043, 6235, 9019, 13373, 16211, 20215, 45095, 66865, 81055, 117247, 173849, 387817, 586235, 869245, 1939085, 5041621, 25208105]

約数ペア:

[(1, 25208105), (5, 5041621), (13, 1939085), (29, 869245), (43, 586235), (65, 387817), (145, 173849), (215, 117247), (311, 81055), (377, 66865), (559, 45095), (1247, 20215), (1555, 16211), (1885, 13373), (2795, 9019), (4043, 6235)]