25958465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21019}}^1$

素因数の和:21056

約数の個数: 16

約数和(自身を含む): 35313600

約数和(自身を除く): 9355135

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 21019, 105095, 273247, 399361, 1366235, 1996805, 5191693, 25958465]

約数ペア:

[(1, 25958465), (5, 5191693), (13, 1996805), (19, 1366235), (65, 399361), (95, 273247), (247, 105095), (1235, 21019)]