1389788240

素因数分解:

$2^4\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{12157}}^1$

素因数の和:13599

約数の個数: 40

約数和(自身を含む): 3233784840

約数和(自身を除く): 1843996600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1429, 2858, 5716, 7145, 11432, 12157, 14290, 22864, 24314, 28580, 48628, 57160, 60785, 97256, 114320, 121570, 194512, 243140, 486280, 972560, 17372353, 34744706, 69489412, 86861765, 138978824, 173723530, 277957648, 347447060, 694894120, 1389788240]

約数ペア:

[(1, 1389788240), (2, 694894120), (4, 347447060), (5, 277957648), (8, 173723530), (10, 138978824), (16, 86861765), (20, 69489412), (40, 34744706), (80, 17372353), (1429, 972560), (2858, 486280), (5716, 243140), (7145, 194512), (11432, 121570), (12157, 114320), (14290, 97256), (22864, 60785), (24314, 57160), (28580, 48628)]