164242160

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20327}}^1$

素因数の和:20441

約数の個数: 40

約数和(自身を含む): 385662816

約数和(自身を除く): 221420656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 20327, 40654, 81308, 101635, 162616, 203270, 325232, 406540, 813080, 1626160, 2053027, 4106054, 8212108, 10265135, 16424216, 20530270, 32848432, 41060540, 82121080, 164242160]

約数ペア:

[(1, 164242160), (2, 82121080), (4, 41060540), (5, 32848432), (8, 20530270), (10, 16424216), (16, 10265135), (20, 8212108), (40, 4106054), (80, 2053027), (101, 1626160), (202, 813080), (404, 406540), (505, 325232), (808, 203270), (1010, 162616), (1616, 101635), (2020, 81308), (4040, 40654), (8080, 20327)]