2106880

素因数分解:

$2^9\times 5^1\times {\mathrm{823}}^1$

素因数の和:846

約数の個数: 40

約数和(自身を含む): 5057712

約数和(自身を除く): 2950832

約数列:

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

約数ペア:

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