16899560

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1559}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 21289240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1559, 2168, 2710, 3118, 5420, 6236, 7795, 10840, 12472, 15590, 31180, 62360, 422489, 844978, 1689956, 2112445, 3379912, 4224890, 8449780, 16899560]

約数ペア:

[(1, 16899560), (2, 8449780), (4, 4224890), (5, 3379912), (8, 2112445), (10, 1689956), (20, 844978), (40, 422489), (271, 62360), (542, 31180), (1084, 15590), (1355, 12472), (1559, 10840), (2168, 7795), (2710, 6236), (3118, 5420)]