203379920

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{5791}}^1$

素因数の和:6243

約数の個数: 40

約数和(自身を含む): 474017280

約数和(自身を除く): 270637360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 3512, 4390, 5791, 7024, 8780, 11582, 17560, 23164, 28955, 35120, 46328, 57910, 92656, 115820, 231640, 463280, 2542249, 5084498, 10168996, 12711245, 20337992, 25422490, 40675984, 50844980, 101689960, 203379920]

約数ペア:

[(1, 203379920), (2, 101689960), (4, 50844980), (5, 40675984), (8, 25422490), (10, 20337992), (16, 12711245), (20, 10168996), (40, 5084498), (80, 2542249), (439, 463280), (878, 231640), (1756, 115820), (2195, 92656), (3512, 57910), (4390, 46328), (5791, 35120), (7024, 28955), (8780, 23164), (11582, 17560)]