40809490

素因数分解:

$2^1\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{2549}}^1$

素因数の和:4157

約数の個数: 16

約数和(自身を含む): 73531800

約数和(自身を除く): 32722310

約数列:

[1, 2, 5, 10, 1601, 2549, 3202, 5098, 8005, 12745, 16010, 25490, 4080949, 8161898, 20404745, 40809490]

約数ペア:

[(1, 40809490), (2, 20404745), (5, 8161898), (10, 4080949), (1601, 25490), (2549, 16010), (3202, 12745), (5098, 8005)]