4495720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 10264320

約数和(自身を除く): 5768600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1583, 2840, 3166, 6332, 7915, 12664, 15830, 31660, 63320, 112393, 224786, 449572, 561965, 899144, 1123930, 2247860, 4495720]

約数ペア:

[(1, 4495720), (2, 2247860), (4, 1123930), (5, 899144), (8, 561965), (10, 449572), (20, 224786), (40, 112393), (71, 63320), (142, 31660), (284, 15830), (355, 12664), (568, 7915), (710, 6332), (1420, 3166), (1583, 2840)]