520028140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{366217}}^1$

素因数の和:366297

約数の個数: 24

約数和(自身を含む): 1107443232

約数和(自身を除く): 587415092

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 366217, 732434, 1464868, 1831085, 3662170, 7324340, 26001407, 52002814, 104005628, 130007035, 260014070, 520028140]

約数ペア:

[(1, 520028140), (2, 260014070), (4, 130007035), (5, 104005628), (10, 52002814), (20, 26001407), (71, 7324340), (142, 3662170), (284, 1831085), (355, 1464868), (710, 732434), (1420, 366217)]