16924280

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{809}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 38199600

約数和(自身を除く): 21275320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 809, 1046, 1618, 2092, 2615, 3236, 4045, 4184, 5230, 6472, 8090, 10460, 16180, 20920, 32360, 423107, 846214, 1692428, 2115535, 3384856, 4231070, 8462140, 16924280]

約数ペア:

[(1, 16924280), (2, 8462140), (4, 4231070), (5, 3384856), (8, 2115535), (10, 1692428), (20, 846214), (40, 423107), (523, 32360), (809, 20920), (1046, 16180), (1618, 10460), (2092, 8090), (2615, 6472), (3236, 5230), (4045, 4184)]