16694480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 43175808

約数和(自身を除く): 26481328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 311, 440, 488, 610, 622, 671, 880, 976, 1220, 1244, 1342, 1555, 2440, 2488, 2684, 3110, 3355, 3421, 4880, 4976, 5368, 6220, 6710, 6842, 10736, 12440, 13420, 13684, 17105, 18971, 24880, 26840, 27368, 34210, 37942, 53680, 54736, 68420, 75884, 94855, 136840, 151768, 189710, 208681, 273680, 303536, 379420, 417362, 758840, 834724, 1043405, 1517680, 1669448, 2086810, 3338896, 4173620, 8347240, 16694480]

約数ペア:

[(1, 16694480), (2, 8347240), (4, 4173620), (5, 3338896), (8, 2086810), (10, 1669448), (11, 1517680), (16, 1043405), (20, 834724), (22, 758840), (40, 417362), (44, 379420), (55, 303536), (61, 273680), (80, 208681), (88, 189710), (110, 151768), (122, 136840), (176, 94855), (220, 75884), (244, 68420), (305, 54736), (311, 53680), (440, 37942), (488, 34210), (610, 27368), (622, 26840), (671, 24880), (880, 18971), (976, 17105), (1220, 13684), (1244, 13420), (1342, 12440), (1555, 10736), (2440, 6842), (2488, 6710), (2684, 6220), (3110, 5368), (3355, 4976), (3421, 4880)]