16489840

素因数分解:

$2^4\times 5^1\times {\mathrm{206123}}^1$

素因数の和:206136

約数の個数: 20

約数和(自身を含む): 38339064

約数和(自身を除く): 21849224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206123, 412246, 824492, 1030615, 1648984, 2061230, 3297968, 4122460, 8244920, 16489840]

約数ペア:

[(1, 16489840), (2, 8244920), (4, 4122460), (5, 3297968), (8, 2061230), (10, 1648984), (16, 1030615), (20, 824492), (40, 412246), (80, 206123)]