28750540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15797}}^1$

素因数の和:15826

約数の個数: 48

約数和(自身を含む): 74313792

約数和(自身を除く): 45563252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15797, 31594, 63188, 78985, 110579, 157970, 205361, 221158, 315940, 410722, 442316, 552895, 821444, 1026805, 1105790, 1437527, 2053610, 2211580, 2875054, 4107220, 5750108, 7187635, 14375270, 28750540]

約数ペア:

[(1, 28750540), (2, 14375270), (4, 7187635), (5, 5750108), (7, 4107220), (10, 2875054), (13, 2211580), (14, 2053610), (20, 1437527), (26, 1105790), (28, 1026805), (35, 821444), (52, 552895), (65, 442316), (70, 410722), (91, 315940), (130, 221158), (140, 205361), (182, 157970), (260, 110579), (364, 78985), (455, 63188), (910, 31594), (1820, 15797)]