55891360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{7129}}^1$

素因数の和:7158

約数の個数: 72

約数和(自身を含む): 153622980

約数和(自身を除く): 97731620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7129, 7840, 14258, 28516, 35645, 49903, 57032, 71290, 99806, 114064, 142580, 199612, 228128, 249515, 285160, 349321, 399224, 499030, 570320, 698642, 798448, 998060, 1140640, 1397284, 1596896, 1746605, 1996120, 2794568, 3493210, 3992240, 5589136, 6986420, 7984480, 11178272, 13972840, 27945680, 55891360]

約数ペア:

[(1, 55891360), (2, 27945680), (4, 13972840), (5, 11178272), (7, 7984480), (8, 6986420), (10, 5589136), (14, 3992240), (16, 3493210), (20, 2794568), (28, 1996120), (32, 1746605), (35, 1596896), (40, 1397284), (49, 1140640), (56, 998060), (70, 798448), (80, 698642), (98, 570320), (112, 499030), (140, 399224), (160, 349321), (196, 285160), (224, 249515), (245, 228128), (280, 199612), (392, 142580), (490, 114064), (560, 99806), (784, 71290), (980, 57032), (1120, 49903), (1568, 35645), (1960, 28516), (3920, 14258), (7129, 7840)]