29121920

素因数分解:

$2^7\times 5^1\times {\mathrm{45503}}^1$

素因数の和:45522

約数の個数: 32

約数和(自身を含む): 69621120

約数和(自身を除く): 40499200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 45503, 91006, 182012, 227515, 364024, 455030, 728048, 910060, 1456096, 1820120, 2912192, 3640240, 5824384, 7280480, 14560960, 29121920]

約数ペア:

[(1, 29121920), (2, 14560960), (4, 7280480), (5, 5824384), (8, 3640240), (10, 2912192), (16, 1820120), (20, 1456096), (32, 910060), (40, 728048), (64, 455030), (80, 364024), (128, 227515), (160, 182012), (320, 91006), (640, 45503)]