16000120

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1487}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 20158280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1487, 2152, 2690, 2974, 5380, 5948, 7435, 10760, 11896, 14870, 29740, 59480, 400003, 800006, 1600012, 2000015, 3200024, 4000030, 8000060, 16000120]

約数ペア:

[(1, 16000120), (2, 8000060), (4, 4000030), (5, 3200024), (8, 2000015), (10, 1600012), (20, 800006), (40, 400003), (269, 59480), (538, 29740), (1076, 14870), (1345, 11896), (1487, 10760), (2152, 7435), (2690, 5948), (2974, 5380)]