4388240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2919

約数の個数: 40

約数和(自身を含む): 10743360

約数和(自身を除く): 6355120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2887, 5774, 11548, 14435, 23096, 28870, 46192, 54853, 57740, 109706, 115480, 219412, 230960, 274265, 438824, 548530, 877648, 1097060, 2194120, 4388240]

約数ペア:

[(1, 4388240), (2, 2194120), (4, 1097060), (5, 877648), (8, 548530), (10, 438824), (16, 274265), (19, 230960), (20, 219412), (38, 115480), (40, 109706), (76, 57740), (80, 54853), (95, 46192), (152, 28870), (190, 23096), (304, 14435), (380, 11548), (760, 5774), (1520, 2887)]