65641360

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5903}}^1$

素因数の和:6055

約数の個数: 40

約数和(自身を含む): 153740160

約数和(自身を除く): 88098800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 5903, 11120, 11806, 23612, 29515, 47224, 59030, 94448, 118060, 236120, 472240, 820517, 1641034, 3282068, 4102585, 6564136, 8205170, 13128272, 16410340, 32820680, 65641360]

約数ペア:

[(1, 65641360), (2, 32820680), (4, 16410340), (5, 13128272), (8, 8205170), (10, 6564136), (16, 4102585), (20, 3282068), (40, 1641034), (80, 820517), (139, 472240), (278, 236120), (556, 118060), (695, 94448), (1112, 59030), (1390, 47224), (2224, 29515), (2780, 23612), (5560, 11806), (5903, 11120)]