6640228225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 8838720000

約数和(自身を除く): 2198491775

約数列:

[1, 5, 23, 25, 53, 109, 115, 265, 545, 575, 1219, 1325, 1999, 2507, 2725, 5777, 6095, 9995, 12535, 28885, 30475, 45977, 49975, 62675, 105947, 132871, 144425, 217891, 229885, 529735, 664355, 1089455, 1149425, 2436781, 2648675, 3321775, 5011493, 5447275, 11548223, 12183905, 25057465, 57741115, 60919525, 125287325, 265609129, 288705575, 1328045645, 6640228225]

約数ペア:

[(1, 6640228225), (5, 1328045645), (23, 288705575), (25, 265609129), (53, 125287325), (109, 60919525), (115, 57741115), (265, 25057465), (545, 12183905), (575, 11548223), (1219, 5447275), (1325, 5011493), (1999, 3321775), (2507, 2648675), (2725, 2436781), (5777, 1149425), (6095, 1089455), (9995, 664355), (12535, 529735), (28885, 229885), (30475, 217891), (45977, 144425), (49975, 132871), (62675, 105947)]