15961520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10501}}^1$

素因数の和:10533

約数の個数: 40

約数和(自身を含む): 39067440

約数和(自身を除く): 23105920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10501, 21002, 42004, 52505, 84008, 105010, 168016, 199519, 210020, 399038, 420040, 798076, 840080, 997595, 1596152, 1995190, 3192304, 3990380, 7980760, 15961520]

約数ペア:

[(1, 15961520), (2, 7980760), (4, 3990380), (5, 3192304), (8, 1995190), (10, 1596152), (16, 997595), (19, 840080), (20, 798076), (38, 420040), (40, 399038), (76, 210020), (80, 199519), (95, 168016), (152, 105010), (190, 84008), (304, 52505), (380, 42004), (760, 21002), (1520, 10501)]