80212086940

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1\times {\mathrm{26177}}^1$

素因数の和:26974

約数の個数: 48

約数和(自身を含む): 169319304000

約数和(自身を除く): 89107217060

約数列:

[1, 2, 4, 5, 10, 20, 349, 439, 698, 878, 1396, 1745, 1756, 2195, 3490, 4390, 6980, 8780, 26177, 52354, 104708, 130885, 153211, 261770, 306422, 523540, 612844, 766055, 1532110, 3064220, 9135773, 11491703, 18271546, 22983406, 36543092, 45678865, 45966812, 57458515, 91357730, 114917030, 182715460, 229834060, 4010604347, 8021208694, 16042417388, 20053021735, 40106043470, 80212086940]

約数ペア:

[(1, 80212086940), (2, 40106043470), (4, 20053021735), (5, 16042417388), (10, 8021208694), (20, 4010604347), (349, 229834060), (439, 182715460), (698, 114917030), (878, 91357730), (1396, 57458515), (1745, 45966812), (1756, 45678865), (2195, 36543092), (3490, 22983406), (4390, 18271546), (6980, 11491703), (8780, 9135773), (26177, 3064220), (52354, 1532110), (104708, 766055), (130885, 612844), (153211, 523540), (261770, 306422)]