39531320

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2293}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 89190720

約数和(自身を除く): 49659400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 2293, 3448, 4310, 4586, 8620, 9172, 11465, 17240, 18344, 22930, 45860, 91720, 988283, 1976566, 3953132, 4941415, 7906264, 9882830, 19765660, 39531320]

約数ペア:

[(1, 39531320), (2, 19765660), (4, 9882830), (5, 7906264), (8, 4941415), (10, 3953132), (20, 1976566), (40, 988283), (431, 91720), (862, 45860), (1724, 22930), (2155, 18344), (2293, 17240), (3448, 11465), (4310, 9172), (4586, 8620)]