16876880

素因数分解:

$2^4\times 5^1\times {\mathrm{210961}}^1$

素因数の和:210974

約数の個数: 20

約数和(自身を含む): 39238932

約数和(自身を除く): 22362052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210961, 421922, 843844, 1054805, 1687688, 2109610, 3375376, 4219220, 8438440, 16876880]

約数ペア:

[(1, 16876880), (2, 8438440), (4, 4219220), (5, 3375376), (8, 2109610), (10, 1687688), (16, 1054805), (20, 843844), (40, 421922), (80, 210961)]