161745440

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10009}}^1$

素因数の和:10125

約数の個数: 48

約数和(自身を含む): 385945560

約数和(自身を除く): 224200120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 10009, 16160, 20018, 40036, 50045, 80072, 100090, 160144, 200180, 320288, 400360, 800720, 1010909, 1601440, 2021818, 4043636, 5054545, 8087272, 10109090, 16174544, 20218180, 32349088, 40436360, 80872720, 161745440]

約数ペア:

[(1, 161745440), (2, 80872720), (4, 40436360), (5, 32349088), (8, 20218180), (10, 16174544), (16, 10109090), (20, 8087272), (32, 5054545), (40, 4043636), (80, 2021818), (101, 1601440), (160, 1010909), (202, 800720), (404, 400360), (505, 320288), (808, 200180), (1010, 160144), (1616, 100090), (2020, 80072), (3232, 50045), (4040, 40036), (8080, 20018), (10009, 16160)]