87736120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30893}}^1$

素因数の和:30975

約数の個数: 32

約数和(自身を含む): 200193120

約数和(自身を除く): 112457000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30893, 61786, 123572, 154465, 247144, 308930, 617860, 1235720, 2193403, 4386806, 8773612, 10967015, 17547224, 21934030, 43868060, 87736120]

約数ペア:

[(1, 87736120), (2, 43868060), (4, 21934030), (5, 17547224), (8, 10967015), (10, 8773612), (20, 4386806), (40, 2193403), (71, 1235720), (142, 617860), (284, 308930), (355, 247144), (568, 154465), (710, 123572), (1420, 61786), (2840, 30893)]