171929960

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{9791}}^1$

素因数の和:10241

約数の個数: 32

約数和(自身を含む): 387763200

約数和(自身を除く): 215833240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 9791, 17560, 19582, 39164, 48955, 78328, 97910, 195820, 391640, 4298249, 8596498, 17192996, 21491245, 34385992, 42982490, 85964980, 171929960]

約数ペア:

[(1, 171929960), (2, 85964980), (4, 42982490), (5, 34385992), (8, 21491245), (10, 17192996), (20, 8596498), (40, 4298249), (439, 391640), (878, 195820), (1756, 97910), (2195, 78328), (3512, 48955), (4390, 39164), (8780, 19582), (9791, 17560)]