28995880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42641}}^1$

素因数の和:42669

約数の個数: 32

約数和(自身を含む): 69080040

約数和(自身を除く): 40084160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42641, 85282, 170564, 213205, 341128, 426410, 724897, 852820, 1449794, 1705640, 2899588, 3624485, 5799176, 7248970, 14497940, 28995880]

約数ペア:

[(1, 28995880), (2, 14497940), (4, 7248970), (5, 5799176), (8, 3624485), (10, 2899588), (17, 1705640), (20, 1449794), (34, 852820), (40, 724897), (68, 426410), (85, 341128), (136, 213205), (170, 170564), (340, 85282), (680, 42641)]