29999120

素因数分解:

$2^4\times 5^1\times {\mathrm{374989}}^1$

素因数の和:375002

約数の個数: 20

約数和(自身を含む): 69748140

約数和(自身を除く): 39749020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 374989, 749978, 1499956, 1874945, 2999912, 3749890, 5999824, 7499780, 14999560, 29999120]

約数ペア:

[(1, 29999120), (2, 14999560), (4, 7499780), (5, 5999824), (8, 3749890), (10, 2999912), (16, 1874945), (20, 1499956), (40, 749978), (80, 374989)]