8981420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{64153}}^1$

素因数の和:64169

約数の個数: 24

約数和(自身を含む): 21555744

約数和(自身を除く): 12574324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 64153, 128306, 256612, 320765, 449071, 641530, 898142, 1283060, 1796284, 2245355, 4490710, 8981420]

約数ペア:

[(1, 8981420), (2, 4490710), (4, 2245355), (5, 1796284), (7, 1283060), (10, 898142), (14, 641530), (20, 449071), (28, 320765), (35, 256612), (70, 128306), (140, 64153)]