27777680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{49603}}^1$

素因数の和:49623

約数の個数: 40

約数和(自身を含む): 73810752

約数和(自身を除く): 46033072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 49603, 99206, 198412, 248015, 347221, 396824, 496030, 694442, 793648, 992060, 1388884, 1736105, 1984120, 2777768, 3472210, 3968240, 5555536, 6944420, 13888840, 27777680]

約数ペア:

[(1, 27777680), (2, 13888840), (4, 6944420), (5, 5555536), (7, 3968240), (8, 3472210), (10, 2777768), (14, 1984120), (16, 1736105), (20, 1388884), (28, 992060), (35, 793648), (40, 694442), (56, 496030), (70, 396824), (80, 347221), (112, 248015), (140, 198412), (280, 99206), (560, 49603)]