25855940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 59621184

約数和(自身を除く): 33765244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 557, 844, 1055, 1114, 2110, 2228, 2321, 2785, 4220, 4642, 5570, 6127, 9284, 11140, 11605, 12254, 23210, 24508, 30635, 46420, 61270, 117527, 122540, 235054, 470108, 587635, 1175270, 1292797, 2350540, 2585594, 5171188, 6463985, 12927970, 25855940]

約数ペア:

[(1, 25855940), (2, 12927970), (4, 6463985), (5, 5171188), (10, 2585594), (11, 2350540), (20, 1292797), (22, 1175270), (44, 587635), (55, 470108), (110, 235054), (211, 122540), (220, 117527), (422, 61270), (557, 46420), (844, 30635), (1055, 24508), (1114, 23210), (2110, 12254), (2228, 11605), (2321, 11140), (2785, 9284), (4220, 6127), (4642, 5570)]