82878260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67933}}^1$

素因数の和:68003

約数の個数: 24

約数和(自身を含む): 176900136

約数和(自身を除く): 94021876

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 67933, 135866, 271732, 339665, 679330, 1358660, 4143913, 8287826, 16575652, 20719565, 41439130, 82878260]

約数ペア:

[(1, 82878260), (2, 41439130), (4, 20719565), (5, 16575652), (10, 8287826), (20, 4143913), (61, 1358660), (122, 679330), (244, 339665), (305, 271732), (610, 135866), (1220, 67933)]