55640960

素因数分解:

$2^7\times 5^1\times {\mathrm{86939}}^1$

素因数の和:86958

約数の個数: 32

約数和(自身を含む): 133018200

約数和(自身を除く): 77377240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 86939, 173878, 347756, 434695, 695512, 869390, 1391024, 1738780, 2782048, 3477560, 5564096, 6955120, 11128192, 13910240, 27820480, 55640960]

約数ペア:

[(1, 55640960), (2, 27820480), (4, 13910240), (5, 11128192), (8, 6955120), (10, 5564096), (16, 3477560), (20, 2782048), (32, 1738780), (40, 1391024), (64, 869390), (80, 695512), (128, 434695), (160, 347756), (320, 173878), (640, 86939)]