165681410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4150

約数の個数: 32

約数和(自身を含む): 308602224

約数和(自身を除く): 142920814

約数列:

[1, 2, 5, 10, 41, 82, 101, 202, 205, 410, 505, 1010, 4001, 4141, 8002, 8282, 20005, 20705, 40010, 41410, 164041, 328082, 404101, 808202, 820205, 1640410, 2020505, 4041010, 16568141, 33136282, 82840705, 165681410]

約数ペア:

[(1, 165681410), (2, 82840705), (5, 33136282), (10, 16568141), (41, 4041010), (82, 2020505), (101, 1640410), (202, 820205), (205, 808202), (410, 404101), (505, 328082), (1010, 164041), (4001, 41410), (4141, 40010), (8002, 20705), (8282, 20005)]