16139720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5683}}^1$

素因数の和:5765

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 20692600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5683, 11366, 22732, 28415, 45464, 56830, 113660, 227320, 403493, 806986, 1613972, 2017465, 3227944, 4034930, 8069860, 16139720]

約数ペア:

[(1, 16139720), (2, 8069860), (4, 4034930), (5, 3227944), (8, 2017465), (10, 1613972), (20, 806986), (40, 403493), (71, 227320), (142, 113660), (284, 56830), (355, 45464), (568, 28415), (710, 22732), (1420, 11366), (2840, 5683)]