10338640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9941}}^1$

素因数の和:9967

約数の個数: 40

約数和(自身を含む): 25888968

約数和(自身を除く): 15550328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 9941, 19882, 39764, 49705, 79528, 99410, 129233, 159056, 198820, 258466, 397640, 516932, 646165, 795280, 1033864, 1292330, 2067728, 2584660, 5169320, 10338640]

約数ペア:

[(1, 10338640), (2, 5169320), (4, 2584660), (5, 2067728), (8, 1292330), (10, 1033864), (13, 795280), (16, 646165), (20, 516932), (26, 397640), (40, 258466), (52, 198820), (65, 159056), (80, 129233), (104, 99410), (130, 79528), (208, 49705), (260, 39764), (520, 19882), (1040, 9941)]