64455080

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1453}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 145254600

約数和(自身を除く): 80799520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 1453, 2218, 2906, 4436, 5545, 5812, 7265, 8872, 11090, 11624, 14530, 22180, 29060, 44360, 58120, 1611377, 3222754, 6445508, 8056885, 12891016, 16113770, 32227540, 64455080]

約数ペア:

[(1, 64455080), (2, 32227540), (4, 16113770), (5, 12891016), (8, 8056885), (10, 6445508), (20, 3222754), (40, 1611377), (1109, 58120), (1453, 44360), (2218, 29060), (2906, 22180), (4436, 14530), (5545, 11624), (5812, 11090), (7265, 8872)]