28329760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9319}}^1$

素因数の和:9353

約数の個数: 48

約数和(自身を含む): 70459200

約数和(自身を除く): 42129440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9319, 18638, 37276, 46595, 74552, 93190, 149104, 177061, 186380, 298208, 354122, 372760, 708244, 745520, 885305, 1416488, 1491040, 1770610, 2832976, 3541220, 5665952, 7082440, 14164880, 28329760]

約数ペア:

[(1, 28329760), (2, 14164880), (4, 7082440), (5, 5665952), (8, 3541220), (10, 2832976), (16, 1770610), (19, 1491040), (20, 1416488), (32, 885305), (38, 745520), (40, 708244), (76, 372760), (80, 354122), (95, 298208), (152, 186380), (160, 177061), (190, 149104), (304, 93190), (380, 74552), (608, 46595), (760, 37276), (1520, 18638), (3040, 9319)]