28430840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37409}}^1$

素因数の和:37439

約数の個数: 32

約数和(自身を含む): 67338000

約数和(自身を除く): 38907160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37409, 74818, 149636, 187045, 299272, 374090, 710771, 748180, 1421542, 1496360, 2843084, 3553855, 5686168, 7107710, 14215420, 28430840]

約数ペア:

[(1, 28430840), (2, 14215420), (4, 7107710), (5, 5686168), (8, 3553855), (10, 2843084), (19, 1496360), (20, 1421542), (38, 748180), (40, 710771), (76, 374090), (95, 299272), (152, 187045), (190, 149636), (380, 74818), (760, 37409)]