11576720

素因数分解:

$2^4\times 5^1\times {\mathrm{144709}}^1$

素因数の和:144722

約数の個数: 20

約数和(自身を含む): 26916060

約数和(自身を除く): 15339340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 144709, 289418, 578836, 723545, 1157672, 1447090, 2315344, 2894180, 5788360, 11576720]

約数ペア:

[(1, 11576720), (2, 5788360), (4, 2894180), (5, 2315344), (8, 1447090), (10, 1157672), (16, 723545), (20, 578836), (40, 289418), (80, 144709)]