81329410

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{16979}}^1$

素因数の和:17465

約数の個数: 16

約数和(自身を含む): 146707200

約数和(自身を除く): 65377790

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4790, 16979, 33958, 84895, 169790, 8132941, 16265882, 40664705, 81329410]

約数ペア:

[(1, 81329410), (2, 40664705), (5, 16265882), (10, 8132941), (479, 169790), (958, 84895), (2395, 33958), (4790, 16979)]