28561940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6833}}^1$

素因数の和:6872

約数の個数: 48

約数和(自身を含む): 68886720

約数和(自身を除く): 40324780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6833, 13666, 27332, 34165, 68330, 75163, 129827, 136660, 150326, 259654, 300652, 375815, 519308, 649135, 751630, 1298270, 1428097, 1503260, 2596540, 2856194, 5712388, 7140485, 14280970, 28561940]

約数ペア:

[(1, 28561940), (2, 14280970), (4, 7140485), (5, 5712388), (10, 2856194), (11, 2596540), (19, 1503260), (20, 1428097), (22, 1298270), (38, 751630), (44, 649135), (55, 519308), (76, 375815), (95, 300652), (110, 259654), (190, 150326), (209, 136660), (220, 129827), (380, 75163), (418, 68330), (836, 34165), (1045, 27332), (2090, 13666), (4180, 6833)]