29950120

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1787}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 67586400

約数和(自身を除く): 37636280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 1787, 2095, 3352, 3574, 4190, 7148, 8380, 8935, 14296, 16760, 17870, 35740, 71480, 748753, 1497506, 2995012, 3743765, 5990024, 7487530, 14975060, 29950120]

約数ペア:

[(1, 29950120), (2, 14975060), (4, 7487530), (5, 5990024), (8, 3743765), (10, 2995012), (20, 1497506), (40, 748753), (419, 71480), (838, 35740), (1676, 17870), (1787, 16760), (2095, 14296), (3352, 8935), (3574, 8380), (4190, 7148)]