16661960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8501}}^1$

素因数の和:8526

約数の個数: 48

約数和(自身を含む): 43615260

約数和(自身を除く): 26953300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8501, 17002, 34004, 42505, 59507, 68008, 85010, 119014, 170020, 238028, 297535, 340040, 416549, 476056, 595070, 833098, 1190140, 1666196, 2082745, 2380280, 3332392, 4165490, 8330980, 16661960]

約数ペア:

[(1, 16661960), (2, 8330980), (4, 4165490), (5, 3332392), (7, 2380280), (8, 2082745), (10, 1666196), (14, 1190140), (20, 833098), (28, 595070), (35, 476056), (40, 416549), (49, 340040), (56, 297535), (70, 238028), (98, 170020), (140, 119014), (196, 85010), (245, 68008), (280, 59507), (392, 42505), (490, 34004), (980, 17002), (1960, 8501)]