16286440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8663}}^1$

素因数の和:8721

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 21142040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8663, 17326, 34652, 43315, 69304, 86630, 173260, 346520, 407161, 814322, 1628644, 2035805, 3257288, 4071610, 8143220, 16286440]

約数ペア:

[(1, 16286440), (2, 8143220), (4, 4071610), (5, 3257288), (8, 2035805), (10, 1628644), (20, 814322), (40, 407161), (47, 346520), (94, 173260), (188, 86630), (235, 69304), (376, 43315), (470, 34652), (940, 17326), (1880, 8663)]