31116640

素因数分解:

$2^5\times 5^1\times {\mathrm{194479}}^1$

素因数の和:194494

約数の個数: 24

約数和(自身を含む): 73513440

約数和(自身を除く): 42396800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 194479, 388958, 777916, 972395, 1555832, 1944790, 3111664, 3889580, 6223328, 7779160, 15558320, 31116640]

約数ペア:

[(1, 31116640), (2, 15558320), (4, 7779160), (5, 6223328), (8, 3889580), (10, 3111664), (16, 1944790), (20, 1555832), (32, 972395), (40, 777916), (80, 388958), (160, 194479)]