8986640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8641}}^1$

素因数の和:8667

約数の個数: 40

約数和(自身を含む): 22503768

約数和(自身を除く): 13517128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8641, 17282, 34564, 43205, 69128, 86410, 112333, 138256, 172820, 224666, 345640, 449332, 561665, 691280, 898664, 1123330, 1797328, 2246660, 4493320, 8986640]

約数ペア:

[(1, 8986640), (2, 4493320), (4, 2246660), (5, 1797328), (8, 1123330), (10, 898664), (13, 691280), (16, 561665), (20, 449332), (26, 345640), (40, 224666), (52, 172820), (65, 138256), (80, 112333), (104, 86410), (130, 69128), (208, 43205), (260, 34564), (520, 17282), (1040, 8641)]