168251140

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{19163}}^1$

素因数の和:19611

約数の個数: 24

約数和(自身を含む): 354150720

約数和(自身を除く): 185899580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 19163, 38326, 76652, 95815, 191630, 383260, 8412557, 16825114, 33650228, 42062785, 84125570, 168251140]

約数ペア:

[(1, 168251140), (2, 84125570), (4, 42062785), (5, 33650228), (10, 16825114), (20, 8412557), (439, 383260), (878, 191630), (1756, 95815), (2195, 76652), (4390, 38326), (8780, 19163)]