8427520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{823}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 20245680

約数和(自身を除く): 11818160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 823, 1024, 1280, 1646, 2048, 2560, 3292, 4115, 5120, 6584, 8230, 10240, 13168, 16460, 26336, 32920, 52672, 65840, 105344, 131680, 210688, 263360, 421376, 526720, 842752, 1053440, 1685504, 2106880, 4213760, 8427520]

約数ペア:

[(1, 8427520), (2, 4213760), (4, 2106880), (5, 1685504), (8, 1053440), (10, 842752), (16, 526720), (20, 421376), (32, 263360), (40, 210688), (64, 131680), (80, 105344), (128, 65840), (160, 52672), (256, 32920), (320, 26336), (512, 16460), (640, 13168), (823, 10240), (1024, 8230), (1280, 6584), (1646, 5120), (2048, 4115), (2560, 3292)]