16129480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1117}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 38336220

約数和(自身を除く): 22206740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1117, 1444, 1805, 2234, 2888, 3610, 4468, 5585, 7220, 8936, 11170, 14440, 21223, 22340, 42446, 44680, 84892, 106115, 169784, 212230, 403237, 424460, 806474, 848920, 1612948, 2016185, 3225896, 4032370, 8064740, 16129480]

約数ペア:

[(1, 16129480), (2, 8064740), (4, 4032370), (5, 3225896), (8, 2016185), (10, 1612948), (19, 848920), (20, 806474), (38, 424460), (40, 403237), (76, 212230), (95, 169784), (152, 106115), (190, 84892), (361, 44680), (380, 42446), (722, 22340), (760, 21223), (1117, 14440), (1444, 11170), (1805, 8936), (2234, 7220), (2888, 5585), (3610, 4468)]