8200520

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{467}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 18532800

約数和(自身を除く): 10332280

約数列:

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

約数ペア:

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