16401040

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{467}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 21900080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 467, 878, 934, 1756, 1868, 2195, 2335, 3512, 3736, 4390, 4670, 7024, 7472, 8780, 9340, 17560, 18680, 35120, 37360, 205013, 410026, 820052, 1025065, 1640104, 2050130, 3280208, 4100260, 8200520, 16401040]

約数ペア:

[(1, 16401040), (2, 8200520), (4, 4100260), (5, 3280208), (8, 2050130), (10, 1640104), (16, 1025065), (20, 820052), (40, 410026), (80, 205013), (439, 37360), (467, 35120), (878, 18680), (934, 17560), (1756, 9340), (1868, 8780), (2195, 7472), (2335, 7024), (3512, 4670), (3736, 4390)]