28792540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205661}}^1$

素因数の和:205677

約数の個数: 24

約数和(自身を含む): 69102432

約数和(自身を除く): 40309892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205661, 411322, 822644, 1028305, 1439627, 2056610, 2879254, 4113220, 5758508, 7198135, 14396270, 28792540]

約数ペア:

[(1, 28792540), (2, 14396270), (4, 7198135), (5, 5758508), (7, 4113220), (10, 2879254), (14, 2056610), (20, 1439627), (28, 1028305), (35, 822644), (70, 411322), (140, 205661)]