128808625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4073}}^1$

素因数の和:4122

約数の個数: 32

約数和(自身を含む): 183036672

約数和(自身を除く): 54228047

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 575, 1265, 1375, 2875, 4073, 6325, 20365, 31625, 44803, 93679, 101825, 224015, 468395, 509125, 1030469, 1120075, 2341975, 5152345, 5600375, 11709875, 25761725, 128808625]

約数ペア:

[(1, 128808625), (5, 25761725), (11, 11709875), (23, 5600375), (25, 5152345), (55, 2341975), (115, 1120075), (125, 1030469), (253, 509125), (275, 468395), (575, 224015), (1265, 101825), (1375, 93679), (2875, 44803), (4073, 31625), (6325, 20365)]