139953280

素因数分解:

$2^7\times 5^1\times {\mathrm{218677}}^1$

素因数の和:218696

約数の個数: 32

約数和(自身を含む): 334577340

約数和(自身を除く): 194624060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 218677, 437354, 874708, 1093385, 1749416, 2186770, 3498832, 4373540, 6997664, 8747080, 13995328, 17494160, 27990656, 34988320, 69976640, 139953280]

約数ペア:

[(1, 139953280), (2, 69976640), (4, 34988320), (5, 27990656), (8, 17494160), (10, 13995328), (16, 8747080), (20, 6997664), (32, 4373540), (40, 3498832), (64, 2186770), (80, 1749416), (128, 1093385), (160, 874708), (320, 437354), (640, 218677)]