7182040

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 16236000

約数和(自身を除く): 9053960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 439, 818, 878, 1636, 1756, 2045, 2195, 3272, 3512, 4090, 4390, 8180, 8780, 16360, 17560, 179551, 359102, 718204, 897755, 1436408, 1795510, 3591020, 7182040]

約数ペア:

[(1, 7182040), (2, 3591020), (4, 1795510), (5, 1436408), (8, 897755), (10, 718204), (20, 359102), (40, 179551), (409, 17560), (439, 16360), (818, 8780), (878, 8180), (1636, 4390), (1756, 4090), (2045, 3512), (2195, 3272)]