201995960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{49999}}^1$

素因数の和:50111

約数の個数: 32

約数和(自身を含む): 459000000

約数和(自身を除く): 257004040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 49999, 99998, 199996, 249995, 399992, 499990, 999980, 1999960, 5049899, 10099798, 20199596, 25249495, 40399192, 50498990, 100997980, 201995960]

約数ペア:

[(1, 201995960), (2, 100997980), (4, 50498990), (5, 40399192), (8, 25249495), (10, 20199596), (20, 10099798), (40, 5049899), (101, 1999960), (202, 999980), (404, 499990), (505, 399992), (808, 249995), (1010, 199996), (2020, 99998), (4040, 49999)]