86387480

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4243}}^1$

素因数の和:4763

約数の個数: 32

約数和(自身を含む): 194799600

約数和(自身を除く): 108412120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 4243, 5090, 8486, 10180, 16972, 20360, 21215, 33944, 42430, 84860, 169720, 2159687, 4319374, 8638748, 10798435, 17277496, 21596870, 43193740, 86387480]

約数ペア:

[(1, 86387480), (2, 43193740), (4, 21596870), (5, 17277496), (8, 10798435), (10, 8638748), (20, 4319374), (40, 2159687), (509, 169720), (1018, 84860), (2036, 42430), (2545, 33944), (4072, 21215), (4243, 20360), (5090, 16972), (8486, 10180)]