31374320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20641}}^1$

素因数の和:20673

約数の個数: 40

約数和(自身を含む): 76788240

約数和(自身を除く): 45413920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20641, 41282, 82564, 103205, 165128, 206410, 330256, 392179, 412820, 784358, 825640, 1568716, 1651280, 1960895, 3137432, 3921790, 6274864, 7843580, 15687160, 31374320]

約数ペア:

[(1, 31374320), (2, 15687160), (4, 7843580), (5, 6274864), (8, 3921790), (10, 3137432), (16, 1960895), (19, 1651280), (20, 1568716), (38, 825640), (40, 784358), (76, 412820), (80, 392179), (95, 330256), (152, 206410), (190, 165128), (304, 103205), (380, 82564), (760, 41282), (1520, 20641)]