1986037780

素因数分解:

$2^2\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{44351}}^1$

素因数の和:46599

約数の個数: 24

約数和(自身を含む): 4172636160

約数和(自身を除く): 2186598380

約数列:

[1, 2, 4, 5, 10, 20, 2239, 4478, 8956, 11195, 22390, 44351, 44780, 88702, 177404, 221755, 443510, 887020, 99301889, 198603778, 397207556, 496509445, 993018890, 1986037780]

約数ペア:

[(1, 1986037780), (2, 993018890), (4, 496509445), (5, 397207556), (10, 198603778), (20, 99301889), (2239, 887020), (4478, 443510), (8956, 221755), (11195, 177404), (22390, 88702), (44351, 44780)]