86986640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83641}}^1$

素因数の和:83667

約数の個数: 40

約数和(自身を含む): 217803768

約数和(自身を除く): 130817128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 83641, 167282, 334564, 418205, 669128, 836410, 1087333, 1338256, 1672820, 2174666, 3345640, 4349332, 5436665, 6691280, 8698664, 10873330, 17397328, 21746660, 43493320, 86986640]

約数ペア:

[(1, 86986640), (2, 43493320), (4, 21746660), (5, 17397328), (8, 10873330), (10, 8698664), (13, 6691280), (16, 5436665), (20, 4349332), (26, 3345640), (40, 2174666), (52, 1672820), (65, 1338256), (80, 1087333), (104, 836410), (130, 669128), (208, 418205), (260, 334564), (520, 167282), (1040, 83641)]