156944020

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{32561}}^1$

素因数の和:32811

約数の個数: 24

約数和(自身を含む): 330960168

約数和(自身を除く): 174016148

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 32561, 65122, 130244, 162805, 325610, 651220, 7847201, 15694402, 31388804, 39236005, 78472010, 156944020]

約数ペア:

[(1, 156944020), (2, 78472010), (4, 39236005), (5, 31388804), (10, 15694402), (20, 7847201), (241, 651220), (482, 325610), (964, 162805), (1205, 130244), (2410, 65122), (4820, 32561)]