165079160

素因数分解:

$2^3\times 5^1\times {\mathrm{4126979}}^1$

素因数の和:4126990

約数の個数: 16

約数和(自身を含む): 371428200

約数和(自身を除く): 206349040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4126979, 8253958, 16507916, 20634895, 33015832, 41269790, 82539580, 165079160]

約数ペア:

[(1, 165079160), (2, 82539580), (4, 41269790), (5, 33015832), (8, 20634895), (10, 16507916), (20, 8253958), (40, 4126979)]