2105680

素因数分解:

$2^4\times 5^1\times {\mathrm{26321}}^1$

素因数の和:26334

約数の個数: 20

約数和(自身を含む): 4895892

約数和(自身を除く): 2790212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26321, 52642, 105284, 131605, 210568, 263210, 421136, 526420, 1052840, 2105680]

約数ペア:

[(1, 2105680), (2, 1052840), (4, 526420), (5, 421136), (8, 263210), (10, 210568), (16, 131605), (20, 105284), (40, 52642), (80, 26321)]