163971920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{292807}}^1$

素因数の和:292827

約数の個数: 40

約数和(自身を含む): 435698304

約数和(自身を除く): 271726384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 292807, 585614, 1171228, 1464035, 2049649, 2342456, 2928070, 4099298, 4684912, 5856140, 8198596, 10248245, 11712280, 16397192, 20496490, 23424560, 32794384, 40992980, 81985960, 163971920]

約数ペア:

[(1, 163971920), (2, 81985960), (4, 40992980), (5, 32794384), (7, 23424560), (8, 20496490), (10, 16397192), (14, 11712280), (16, 10248245), (20, 8198596), (28, 5856140), (35, 4684912), (40, 4099298), (56, 2928070), (70, 2342456), (80, 2049649), (112, 1464035), (140, 1171228), (280, 585614), (560, 292807)]