13821520

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{877}}^1$

素因数の和:1087

約数の個数: 40

約数和(自身を含む): 32334984

約数和(自身を除く): 18513464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 877, 985, 1576, 1754, 1970, 3152, 3508, 3940, 4385, 7016, 7880, 8770, 14032, 15760, 17540, 35080, 70160, 172769, 345538, 691076, 863845, 1382152, 1727690, 2764304, 3455380, 6910760, 13821520]

約数ペア:

[(1, 13821520), (2, 6910760), (4, 3455380), (5, 2764304), (8, 1727690), (10, 1382152), (16, 863845), (20, 691076), (40, 345538), (80, 172769), (197, 70160), (394, 35080), (788, 17540), (877, 15760), (985, 14032), (1576, 8770), (1754, 7880), (1970, 7016), (3152, 4385), (3508, 3940)]