25578085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 9701915

約数列:

[1, 5, 13, 19, 65, 95, 139, 149, 247, 695, 745, 1235, 1807, 1937, 2641, 2831, 9035, 9685, 13205, 14155, 20711, 34333, 36803, 103555, 171665, 184015, 269243, 393509, 1346215, 1967545, 5115617, 25578085]

約数ペア:

[(1, 25578085), (5, 5115617), (13, 1967545), (19, 1346215), (65, 393509), (95, 269243), (139, 184015), (149, 171665), (247, 103555), (695, 36803), (745, 34333), (1235, 20711), (1807, 14155), (1937, 13205), (2641, 9685), (2831, 9035)]