320031856

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{51419}}^1$

素因数の和:51816

約数の個数: 20

約数和(自身を含む): 621667800

約数和(自身を除く): 301635944

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 51419, 102838, 205676, 411352, 822704, 20001991, 40003982, 80007964, 160015928, 320031856]

約数ペア:

[(1, 320031856), (2, 160015928), (4, 80007964), (8, 40003982), (16, 20001991), (389, 822704), (778, 411352), (1556, 205676), (3112, 102838), (6224, 51419)]