20149953280

素因数分解:

$2^8\times 5^1\times {\mathrm{15742151}}^1$

素因数の和:15742172

約数の個数: 36

約数和(自身を含む): 48265438032

約数和(自身を除く): 28115484752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15742151, 31484302, 62968604, 78710755, 125937208, 157421510, 251874416, 314843020, 503748832, 629686040, 1007497664, 1259372080, 2014995328, 2518744160, 4029990656, 5037488320, 10074976640, 20149953280]

約数ペア:

[(1, 20149953280), (2, 10074976640), (4, 5037488320), (5, 4029990656), (8, 2518744160), (10, 2014995328), (16, 1259372080), (20, 1007497664), (32, 629686040), (40, 503748832), (64, 314843020), (80, 251874416), (128, 157421510), (160, 125937208), (256, 78710755), (320, 62968604), (640, 31484302), (1280, 15742151)]