4538920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2141}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 10410120

約数和(自身を除く): 5871200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 2141, 4282, 8564, 10705, 17128, 21410, 42820, 85640, 113473, 226946, 453892, 567365, 907784, 1134730, 2269460, 4538920]

約数ペア:

[(1, 4538920), (2, 2269460), (4, 1134730), (5, 907784), (8, 567365), (10, 453892), (20, 226946), (40, 113473), (53, 85640), (106, 42820), (212, 21410), (265, 17128), (424, 10705), (530, 8564), (1060, 4282), (2120, 2141)]