3915640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1847}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 8981280

約数和(自身を除く): 5065640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1847, 2120, 3694, 7388, 9235, 14776, 18470, 36940, 73880, 97891, 195782, 391564, 489455, 783128, 978910, 1957820, 3915640]

約数ペア:

[(1, 3915640), (2, 1957820), (4, 978910), (5, 783128), (8, 489455), (10, 391564), (20, 195782), (40, 97891), (53, 73880), (106, 36940), (212, 18470), (265, 14776), (424, 9235), (530, 7388), (1060, 3694), (1847, 2120)]