90012470

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{22447}}^1$

素因数の和:22855

約数の個数: 16

約数和(自身を含む): 162433728

約数和(自身を除く): 72421258

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 22447, 44894, 112235, 224470, 9001247, 18002494, 45006235, 90012470]

約数ペア:

[(1, 90012470), (2, 45006235), (5, 18002494), (10, 9001247), (401, 224470), (802, 112235), (2005, 44894), (4010, 22447)]