8638840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30853}}^1$

素因数の和:30871

約数の個数: 32

約数和(自身を含む): 22214880

約数和(自身を除く): 13576040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30853, 61706, 123412, 154265, 215971, 246824, 308530, 431942, 617060, 863884, 1079855, 1234120, 1727768, 2159710, 4319420, 8638840]

約数ペア:

[(1, 8638840), (2, 4319420), (4, 2159710), (5, 1727768), (7, 1234120), (8, 1079855), (10, 863884), (14, 617060), (20, 431942), (28, 308530), (35, 246824), (40, 215971), (56, 154265), (70, 123412), (140, 61706), (280, 30853)]