66430120

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1823}}^1$

素因数の和:2745

約数の個数: 32

約数和(自身を含む): 149713920

約数和(自身を除く): 83283800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 1823, 3644, 3646, 4555, 7288, 7292, 9110, 9115, 14584, 18220, 18230, 36440, 36460, 72920, 1660753, 3321506, 6643012, 8303765, 13286024, 16607530, 33215060, 66430120]

約数ペア:

[(1, 66430120), (2, 33215060), (4, 16607530), (5, 13286024), (8, 8303765), (10, 6643012), (20, 3321506), (40, 1660753), (911, 72920), (1822, 36460), (1823, 36440), (3644, 18230), (3646, 18220), (4555, 14584), (7288, 9115), (7292, 9110)]