39840740

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7039}}^1$

素因数の和:7331

約数の個数: 24

約数和(自身を含む): 83973120

約数和(自身を除く): 44132380

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 7039, 14078, 28156, 35195, 70390, 140780, 1992037, 3984074, 7968148, 9960185, 19920370, 39840740]

約数ペア:

[(1, 39840740), (2, 19920370), (4, 9960185), (5, 7968148), (10, 3984074), (20, 1992037), (283, 140780), (566, 70390), (1132, 35195), (1415, 28156), (2830, 14078), (5660, 7039)]