78164005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 104509440

約数和(自身を除く): 26345435

約数列:

[1, 5, 19, 23, 83, 95, 115, 415, 431, 437, 1577, 1909, 2155, 2185, 7885, 8189, 9545, 9913, 35773, 36271, 40945, 49565, 178865, 181355, 188347, 679687, 822779, 941735, 3398435, 4113895, 15632801, 78164005]

約数ペア:

[(1, 78164005), (5, 15632801), (19, 4113895), (23, 3398435), (83, 941735), (95, 822779), (115, 679687), (415, 188347), (431, 181355), (437, 178865), (1577, 49565), (1909, 40945), (2155, 36271), (2185, 35773), (7885, 9913), (8189, 9545)]