27880960

素因数分解:

$2^9\times 5^1\times {\mathrm{10891}}^1$

素因数の和:10914

約数の個数: 40

約数和(自身を含む): 66855096

約数和(自身を除く): 38974136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10891, 21782, 43564, 54455, 87128, 108910, 174256, 217820, 348512, 435640, 697024, 871280, 1394048, 1742560, 2788096, 3485120, 5576192, 6970240, 13940480, 27880960]

約数ペア:

[(1, 27880960), (2, 13940480), (4, 6970240), (5, 5576192), (8, 3485120), (10, 2788096), (16, 1742560), (20, 1394048), (32, 871280), (40, 697024), (64, 435640), (80, 348512), (128, 217820), (160, 174256), (256, 108910), (320, 87128), (512, 54455), (640, 43564), (1280, 21782), (2560, 10891)]