84038120

素因数分解:

$2^3\times 5^1\times {\mathrm{2100953}}^1$

素因数の和:2100964

約数の個数: 16

約数和(自身を含む): 189085860

約数和(自身を除く): 105047740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2100953, 4201906, 8403812, 10504765, 16807624, 21009530, 42019060, 84038120]

約数ペア:

[(1, 84038120), (2, 42019060), (4, 21009530), (5, 16807624), (8, 10504765), (10, 8403812), (20, 4201906), (40, 2100953)]