16164040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4113

約数の個数: 32

約数和(自身を含む): 36738360

約数和(自身を除く): 20574320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4001, 4040, 8002, 16004, 20005, 32008, 40010, 80020, 160040, 404101, 808202, 1616404, 2020505, 3232808, 4041010, 8082020, 16164040]

約数ペア:

[(1, 16164040), (2, 8082020), (4, 4041010), (5, 3232808), (8, 2020505), (10, 1616404), (20, 808202), (40, 404101), (101, 160040), (202, 80020), (404, 40010), (505, 32008), (808, 20005), (1010, 16004), (2020, 8002), (4001, 4040)]