16365040

素因数分解:

$2^4\times 5^1\times {\mathrm{204563}}^1$

素因数の和:204576

約数の個数: 20

約数和(自身を含む): 38048904

約数和(自身を除く): 21683864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204563, 409126, 818252, 1022815, 1636504, 2045630, 3273008, 4091260, 8182520, 16365040]

約数ペア:

[(1, 16365040), (2, 8182520), (4, 4091260), (5, 3273008), (8, 2045630), (10, 1636504), (16, 1022815), (20, 818252), (40, 409126), (80, 204563)]