28366940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202621}}^1$

素因数の和:202637

約数の個数: 24

約数和(自身を含む): 68080992

約数和(自身を除く): 39714052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202621, 405242, 810484, 1013105, 1418347, 2026210, 2836694, 4052420, 5673388, 7091735, 14183470, 28366940]

約数ペア:

[(1, 28366940), (2, 14183470), (4, 7091735), (5, 5673388), (7, 4052420), (10, 2836694), (14, 2026210), (20, 1418347), (28, 1013105), (35, 810484), (70, 405242), (140, 202621)]