13681520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9001}}^1$

素因数の和:9033

約数の個数: 40

約数和(自身を含む): 33487440

約数和(自身を除く): 19805920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 9001, 18002, 36004, 45005, 72008, 90010, 144016, 171019, 180020, 342038, 360040, 684076, 720080, 855095, 1368152, 1710190, 2736304, 3420380, 6840760, 13681520]

約数ペア:

[(1, 13681520), (2, 6840760), (4, 3420380), (5, 2736304), (8, 1710190), (10, 1368152), (16, 855095), (19, 720080), (20, 684076), (38, 360040), (40, 342038), (76, 180020), (80, 171019), (95, 144016), (152, 90010), (190, 72008), (304, 45005), (380, 36004), (760, 18002), (1520, 9001)]